{"id":1702,"date":"2023-08-25T16:10:46","date_gmt":"2023-08-25T08:10:46","guid":{"rendered":"https:\/\/zhang.mba\/?p=1702"},"modified":"2023-08-25T16:38:01","modified_gmt":"2023-08-25T08:38:01","slug":"python-ji-chu","status":"publish","type":"post","link":"https:\/\/zhang.mba\/index.php\/2023\/08\/25\/16\/10\/46\/1702\/python-ji-chu\/python\/zhangzhiqi\/","title":{"rendered":"Python\u76f8\u5173\u77e5\u8bc6"},"content":{"rendered":"<h2><a id=\"1-python%E7%89%B9%E7%82%B9\" class=\"anchor\" aria-hidden=\"true\" href=\"#1-python%E7%89%B9%E7%82%B9\"><span class=\"octicon octicon-link\"><\/span><\/a>1. Python\u7279\u70b9<\/h2>\n<ul>\n<li>Python\u9762\u5411\u5bf9\u8c61\u3001\u89e3\u6790\u6027\u7684\u8bed\u8a00<\/li>\n<li>\u51e0\u79cd\u89e3\u6790\u5668\uff1a\n<ul>\n<li>CPython\uff1aC\u8bed\u8a00\u89e3\u6790Python\u8bed\u8a00\u7684\u89e3\u6790\u5668<\/li>\n<li>Jpython\uff1aJava\u8bed\u8a00\u89e3\u6790Python\u8bed\u8a00<\/li>\n<li>IronPython\uff1a\u7528C#(.net\u5e73\u53f0)\u89e3\u6790<\/li>\n<li>PyPy\uff1a\u662f\u4f7f\u7528Python\u8bed\u8a00\u89e3\u6790<\/li>\n<\/ul>\n<\/li>\n<li>Python\u7684\u5e94\u7528\u5e7f\uff0c\u5728\u79d1\u5b66\u8ba1\u7b97\u3001\u81ea\u7136\u8bed\u8a00\u5904\u7406\u3001\u56fe\u5f62\u56fe\u50cf\u5904\u7406\u3001\u811a\u672c\u5f00\u53d1\u3001Web\u5e94\u7528<\/li>\n<li>Python\u51e0\u79cd\u7248\u672c\uff1a\n<ul>\n<li>Python2.X<\/li>\n<li>Python3.X<\/li>\n<li>Python\u5e76\u6ca1\u6709\u505a\u5230\u5411\u4e0b\u517c\u5bb9\uff0c\u4e86\u89e3\u4e24\u4e2a\u7248\u672c\u7684\u533a\u522b\u548c\u8054\u7cfb<\/li>\n<li>\u80fd\u591f\u65e0\u7f1d\u7684\u6539\u8fdbPython2.x\u7684\u4ee3\u7801d\u5230Python3.x\u4e2d<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><a id=\"2-python%E5%9F%BA%E7%A1%80%E7%89%88%E6%9C%AC%E7%9A%84%E5%AE%89%E8%A3%85\" class=\"anchor\" aria-hidden=\"true\" href=\"#2-python%E5%9F%BA%E7%A1%80%E7%89%88%E6%9C%AC%E7%9A%84%E5%AE%89%E8%A3%85\"><span class=\"octicon octicon-link\"><\/span><\/a>2. Python\u57fa\u7840\u7248\u672c\u7684\u5b89\u88c5<\/h2>\n<ul>\n<li>\n<p>Python.org<\/p>\n<\/li>\n<li>\n<p>\u76ee\u524d\u7248\u672c<\/p>\n<ul>\n<li>3.8.0<\/li>\n<li>3.7.8<\/li>\n<li>3.6.8(\u76ee\u524d\u4f7f\u7528)<\/li>\n<li>2.7.17<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>Java\u8bed\u8a00&#8212;&#8212;.java&#8212;&#8211;jar\u5305&#8212;&#8212;mvn repo&#8212;&#8211;mvn install\/uninstall<\/p>\n<\/li>\n<li>\n<p>Python&#8212;&#8212;-.py&#8212;&#8212;-.whl\u8f6e\u5b50\u6587\u4ef6&#8212;pip install&#8212;pip uninstall<\/p>\n<\/li>\n<li>\n<p>pip\u7684\u547d\u4ee4<\/p>\n<ul>\n<li>pip install package<\/li>\n<li>pip uninstall package<\/li>\n<li>pip list\u5c55\u793a\u5b89\u88c5\u7684\u5305<\/li>\n<li>pip install -U \u66f4\u65b0\u65b9\u5f0f\u5b89\u88c5<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><a id=\"3-anaconda%E6%95%B0%E6%8D%AE%E7%A7%91%E5%AD%A6%E7%8E%AF%E5%A2%83%E7%9A%84%E5%AE%89%E8%A3%85\" class=\"anchor\" aria-hidden=\"true\" href=\"#3-anaconda%E6%95%B0%E6%8D%AE%E7%A7%91%E5%AD%A6%E7%8E%AF%E5%A2%83%E7%9A%84%E5%AE%89%E8%A3%85\"><span class=\"octicon octicon-link\"><\/span><\/a>3. Anaconda\u6570\u636e\u79d1\u5b66\u73af\u5883\u7684\u5b89\u88c5<\/h2>\n<ul>\n<li>\n<p>IDE&#8211;\u96c6\u6210\u5f00\u53d1\u73af\u5883&#8211;Eclipse\u3001IDEA\u9700\u8981\u52a0\u8f7dJDK-Scala<\/p>\n<\/li>\n<li>\n<p>\u5927\u6570\u636ehadoop-spark&#8212;&#8211;CDH(\u5404\u79cd\u5927\u6570\u636e\u7ec4\u4ef6)<\/p>\n<\/li>\n<li>\n<p>\u6570\u636e\u79d1\u5b66\u73af\u5883:<\/p>\n<ul>\n<li>Anaconda\u662f\u6570\u636e\u79d1\u5b66\u5f00\u53d1\u73af\u5883<\/li>\n<li>\u5305\u542b\u4e86\u57fa\u7840\u7684python\u7684\u73af\u5883<\/li>\n<li>\u5728\u539f\u6765\u7684Python\u7684\u57fa\u7840\u4e0a\u589e\u52a0\u4e86180+\u591a\u4e2a\u5de5\u5177\u5305<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5b89\u88c5\uff1a<\/p>\n<ul>\n<li>windows\u5b89\u88c5\uff0c\u76f4\u63a5\u4e0b\u4e00\u6b65\u4e0b\u4e00\u6b65\uff0c\u9047\u5230\u9700\u8981\u6253\u94a9\u7684\u5730\u65b9\u5c3d\u91cf\u6253\u4e0a<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>Anaconda\u4e2d\u6709\u54ea\u4e9b\u7ec4\u4ef6\uff1f<\/p>\n<ul>\n<li>Anaconda-Navigiter<\/li>\n<li>Anaconda-Prompt<\/li>\n<li>Anaconda-Ipython&#8211;\u589e\u5f3a\u5f0f\u7684Python&#8211;\u8bed\u6cd5\u9ad8\u4eae\u7b49\u7b49&#8212;\u4ecd\u7136\u4e0d\u65b9\u4fbf<\/li>\n<li>Anacodna**-jupyternotebook**\n<ul>\n<li>jupyter notebook\u662f\u4e00\u4e2a\u4ee5web\u7a0b\u5e8f\u542f\u52a8web\u7f51\u9875\u4ea4\u4e92\u5f0f\u7684\u4e66\u5199\u4ee3\u7801\u7684\u5e73\u53f0<\/li>\n<li>\u5e95\u5c42\u57fa\u4e8eipython\u7684<\/li>\n<li>\u4e24\u79cd\u6253\u5f00\u65b9\u5f0f\uff1a\n<ul>\n<li>1-\u754c\u9762\u7684\u70b9\u51fb\u65b9\u5f0f<\/li>\n<li>2-jupyter notebook\u65b9\u5f0f<\/li>\n<\/ul>\n<\/li>\n<li>\u540e\u7f00\u540d\uff1a.ipynb\n<ul>\n<li>\u53ef\u4ee5\u5c06ipynb\u7684\u6587\u4ef6\u62d6\u62fd\u5230jupyternotebook\u4e2d\u542f\u52a8\u4ea4\u4e92\u5f0f\u7f16\u5199\u4ee3\u7801<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>Anaconda-Spyder\n<ul>\n<li>IDE<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><a id=\"4%E9%80%9A%E8%BF%87-pycharm%E5%92%8Canaconda%E7%9A%84%E6%95%B4%E5%90%88\" class=\"anchor\" aria-hidden=\"true\" href=\"#4%E9%80%9A%E8%BF%87-pycharm%E5%92%8Canaconda%E7%9A%84%E6%95%B4%E5%90%88\"><span class=\"octicon octicon-link\"><\/span><\/a>4. \u901a\u8fc7Pycharm\u548cAnaconda\u7684\u6574\u5408<\/h2>\n<ul>\n<li>\n<p>\u5b89\u88c5Pycharm&#8212;jetBrain\u516c\u5f0f<\/p>\n<\/li>\n<li>\n<p>\u5b89\u88c5Anaconda<\/p>\n<\/li>\n<li>\n<p>\u7b2c\u4e00\u6b65\uff1a\u5efa\u8bae\u5927\u5bb6\u66f4\u6539\u73af\u5883\u53d8\u91cf<\/p>\n<\/li>\n<li>\n<p>\u7b2c\u4e8c\u6b65\uff1a\u66f4\u6539\u89e3\u6790\u5668Interpertor<\/p>\n<\/li>\n<li>\n<p>\u7b2c\u4e09\u6b65\uff1a\u521b\u5efa\u9879\u76ee<\/p>\n<ul>\n<li>\u521b\u5efa\u9879\u76ee\u7684\u8fc7\u7a0b\u4e2d\u9700\u8981\u6307\u5b9a\u89e3\u6790\u5668<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u7b2c\u56db\u6b65\uff1a\u5199\u4ee3\u7801<\/p>\n<ul>\n<li>\n<pre><code>#-*- coding: utf-8 -*-\n# @Time    : ${DATE} ${TIME}\n# @Author  : Turing\n# @Email   : load\n# @File    : ${NAME}.py\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u57fa\u7840\u4ee3\u7801\uff1a<\/p>\n<ul>\n<li>\n<p>print\u51fd\u6570\u5728Python2\u548cPython3\u7684\u533a\u522b<\/p>\n<\/li>\n<li>\n<pre><code>#-*- coding: utf-8 -*-\n# @Time    : 2022\/01\/25 10:18\n# @Author  : Turing\n# @Email   : load\n# @File    : 1.0HelloWorld.py\n# python2\u4e2dprint\u662f\u8bed\u53e5\uff0c\u65e2\u53ef\u4ee5\u52a0\u62ec\u53f7\u4e5f\u53ef\u4ee5\u4e0d\u52a0\u62ec\u53f7\n# python3\u4e2dprint\u662f\u51fd\u6570\uff0c\u5fc5\u987b\u52a0\u62ec\u53f7\n# print &quot;HelloWorld&quot;\nprint(&quot;HelloWorld&quot;)\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>conda<\/p>\n<ul>\n<li>\u5b89\u88c5\u5305\uff1apip install conda install<\/li>\n<li>\u5378\u8f7d\u5305: pip unistall conda uninstall<\/li>\n<li>\u66f4\u65b0\u7684\u65b9\u5f0f\u5b89\u88c5\u5305:pip install -U conda install -U<\/li>\n<li>\u67e5\u770b\u5305\uff1apip list conda list(\u53ef\u4ee5\u67e5\u770b\u54ea\u4e9b\u662fpip\u5b89\u88c5\u7684\uff0c\u90a3\u4e9b\u662fconda\u5b89\u88c5\u7684)<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>Conda\u547d\u4ee4\u53ef\u4ee5\u521b\u5efa\u72ec\u7acb\u7684Python\u7684\u6c99\u7bb1\u73af\u5883<\/p>\n<ul>\n<li>\u5728Python3.6\u4e2d\u521b\u5efa\u4e86\u4e00\u4e2aPython2.7<\/li>\n<li>create -n create envName python==2.7.0<\/li>\n<li>source active envName<\/li>\n<li>soucre deactive envName<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><a id=\"5-python%E7%9A%84%E5%9F%BA%E7%A1%80%E6%95%B0%E6%8D%AE%E7%B1%BB%E5%9E%8B\" class=\"anchor\" aria-hidden=\"true\" href=\"#5-python%E7%9A%84%E5%9F%BA%E7%A1%80%E6%95%B0%E6%8D%AE%E7%B1%BB%E5%9E%8B\"><span class=\"octicon octicon-link\"><\/span><\/a>5. Python\u7684\u57fa\u7840\u6570\u636e\u7c7b\u578b<\/h2>\n<ul>\n<li>\n<p>\u7f16\u7801\u548c\u89e3\u7801<\/p>\n<\/li>\n<li>\n<pre><code>import sys\nprint(sys.getdefaultencoding()) # ascii\u8868\u793a\u7684\u5b57\u7b26\u6709\u9650(\u4e2d\u6587)  utf-8(unicode format 8 bytes# )\n\nprint(&quot;Turing&quot;.encode(&quot;utf-8&quot;))  \n\n# \u8f93\u51fa\uff1ab'\\xe5\\x85\\xac\\xe4\\xbc\\x97\\xe5\\x8f\\xb7\\xe4\\xba\\x94\\xe5\\x88\\x86\\xe9\\x92\\x9f\\xe5\\xad\\xa6\\xe5\\xa4\\xa7\\xe6\\x95\\xb0\\xe6\\x8d\\xae'\n\nprint(b'\\xe5\\x85\\xac\\xe4\\xbc\\x97\\xe5\\x8f\\xb7\\xe4\\xba\\x94\\xe5\\x88\\x86\\xe9\\x92\\x9f\\xe5\\xad\\xa6\\xe5\\xa4\\xa7\\xe6\\x95\\xb0\\xe6\\x8d\\xae'.decode(&quot;utf-8&quot;))\n\nprint(&quot;Turing&quot;.encode(&quot;gbk&quot;))  \n\n# \u8f93\u51fa\uff1ab'\\xb9\\xab\\xd6\\xda\\xba\\xc5\\xce\\xe5\\xb7\\xd6\\xd6\\xd3\\xd1\\xa7\\xb4\\xf3\\xca\\xfd\\xbe\\xdd'\n\nprint(b'\\xb9\\xab\\xd6\\xda\\xba\\xc5\\xce\\xe5\\xb7\\xd6\\xd6\\xd3\\xd1\\xa7\\xb4\\xf3\\xca\\xfd\\xbe\\xdd'.decode(&quot;gbk&quot;))\n<\/code><\/pre>\n<\/li>\n<li>\n<p>\u5bfc\u5305<\/p>\n<\/li>\n<li>\n<pre><code>import requests as re\nget = re.get(&quot;https:\/\/www.fivedata.cn&quot;)\nprint(get.url)\nprint(get.encoding)\nprint(get.text)\n\n#sin(x)\nimport math\nprint(math.sin(0)) #0\n\nfrom math import sin\nprint(sin(0))\n\nfrom math import sin as f\nprint(f(0))\n\nimport numpy as np\nprint(np.random.randn(3,3))\n# [[ 1.22524688  1.40990719  1.49014802]\n#  [-1.3915769  -0.50625637 -0.38625091]\n#  [-1.39770585 -1.52630576 -0.5186793 ]]\n<\/code><\/pre>\n<\/li>\n<li>\n<p>\u6570\u636e\u7c7b\u578b<\/p>\n<\/li>\n<li>\n<pre><code># python\u7406\u89e3\u4e3a\u5f31\u7c7b\u578b\u7684\u8bed\u8a00\uff0c\u6570\u636e\u7c7b\u578b\u662f\u4e0d\u9700\u8981\u7a0b\u5e8f\u5458\u6307\u5b9a\uff0c\u7cfb\u7edf\u4f1a\u81ea\u52a8\u5224\u65ad\n\na = 10.0\nprint(a)\nprint(type(a))  # &lt;class 'float'&gt;\nprint(id(a)) #\u5728\u5806\u6808\u4e2d\u7684\u5730\u5740\nprint(id(10.0))\nprint(id(a)==id(10.0))\nb = &quot;string&quot;\nprint(b)\nprint(type(b))  # &lt;class 'str'&gt;\nc = complex(1, 2)  # 1+2j\nprint(c.real)  # 1\nprint(c.imag)  # 2\nprint(c ** 2)\n# \u5355\u76ee\u8fd0\u7b97\u7b26\n# + - *\u4e58\u6cd5 \/\u9664\u6cd5  \/\/\u6574\u9664 **\u5e42 %\u53d6\u6a21\na = 3\nb = 5\nprint(a + b)\nprint(a - b)\nprint(a \/ b)\nprint(a \/\/ b)\nprint(a % b)\nprint(a ** b)\nprint(a * b)\n# \u53cc\u76ee\u8fd0\u7b97\u7b26\n# += -=  *= \/= %=  **= \/\/=\na += b\na -= b\na *= b\na \/= b\na \/\/= b\na %= b\na **= b\nprint(a)\n# &amp; \u6309\u4f4d\u4e0e | \u6309\u4f4d\u6216 ^\u6309\u4f4d\u5f02\u6216 &lt;&lt;\u5de6\u79fb &gt;&gt; \u53f3\u79fb\n# 8421\na = 5  # 0101\nb = 3  # 0011\nprint(a &amp; b)  # 0001  1\nprint(a | b)  # 0111  7\nprint(a ^ b)  # 0110  6\nprint(a &lt;&lt; 1)\nprint(a &lt;&lt; 2)\nprint(a &gt;&gt; 1)\n\napple = 'apple'\nbnana = &quot;bananan&quot;\nbanana_ = '''\\\nThis is apple!\nThis is banana!\\\n'''\nprint(apple)\nprint(type(apple))\nprint(bnana)\nprint(type(bnana))\nprint(banana_)\nprint(type(banana_))\n\n\nprint(3.1415e2) #e\u8868\u793a10\nimport math\nprint(math.exp(1))\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<h2><a id=\"6%E8%BE%93%E5%85%A5%E5%92%8C%E8%BE%93%E5%87%BA\" class=\"anchor\" aria-hidden=\"true\" href=\"#6%E8%BE%93%E5%85%A5%E5%92%8C%E8%BE%93%E5%87%BA\"><span class=\"octicon octicon-link\"><\/span><\/a>6. \u8f93\u5165\u548c\u8f93\u51fa<\/h2>\n<ul>\n<li>\n<p>\u8f93\u5165<\/p>\n<\/li>\n<li>\n<pre><code># # raw_input\u5c06\u6570\u636e\u8fdb\u884c\u539f\u6837\u7684\u8f93\u5165----\u90fd\u662fstr\u7c7b\u578b\n# # input \u8f93\u5165\u7684\u7c7b\u578b\u539f\u6837\u7684\u8f93\u5165-----\u5982\u679c\u8f93\u5165\u7684\u662f\u6570\u503c\u8f93\u51fa\u7684\u5c31\u662f\u5bf9\u5e94\u7684\u7c7b\u578b\n# # \u5426\u5219input\u8f93\u5165\u7684\u662f\u5b57\u7b26\u7c7b\u578b\u7684\u8bdd\u5fc5\u987b\u52a0\u5f15\u53f7\n# # age = raw_input(&quot;Please input your age:&quot;)\n# # print(age)\n# # print(type(age))\n# age = input(&quot;Please input your age:&quot;)\n# print(age)\n# print(type(age))\n#python3\u4e2d\u8f93\u5165\u7684\u8bed\u53e5\u5408\u4e8c\u4e3a\u4e00input\u548cpython2\u7684raw_input\u662f\u4e00\u81f4\u7684\ninput1 = input(&quot;please input your age:&quot;)\nprint(input1)\nprint(type(input1))\n<\/code><\/pre>\n<\/li>\n<li>\n<p>\u8f93\u51fa<\/p>\n<\/li>\n<li>\n<pre><code>name=&quot;zhangsan&quot;\nage=13\nprint(&quot;name is:&quot;,name,&quot;age is:&quot;,age)\nprint(&quot;name is:&quot;+name+&quot;age is:&quot;+str(age))\nprint(&quot;name is:{},age is:{}&quot;.format(name,age))\nprint(&quot;name is:{0},age is:{1}&quot;.format(name,age))\nprint(&quot;name is:{pig},age is:{pear}&quot;.format(pig=name,pear=age))\nprint(&quot;name is:%s,age is:%d&quot;%(name,age))\n<\/code><\/pre>\n<\/li>\n<li>\n<p>\u968f\u673a\u6570\u7684\u4ea7\u751f<\/p>\n<ul>\n<li>\n<p>\u4e3a\u4ec0\u4e48\u9700\u8981\u968f\u673a\u6570\uff1f\u56e0\u4e3a\u83b7\u53d6\u73b0\u5b9e \u7684\u6570\u636e\u662f\u975e\u5e38\u56f0\u96be\u7684\uff0c\u53ef\u4ee5\u6a21\u4eff\u73b0\u5b9e\u7684\u6570\u636e\u53bb\u4ea7\u751f\u65b0\u6570\u636e<\/p>\n<\/li>\n<li>\n<p>\u4ea7\u751f\u4e00\u4e2a\u7b80\u5355\u7684\u968f\u673a\u6570<\/p>\n<\/li>\n<li>\n<p>\u4ea7\u751f\u4e00\u4e2a\u7b26\u5408\u6b63\u6001\u5206\u5e03\u7684\u968f\u673a\u6570<\/p>\n<\/li>\n<li>\n<p>\u4ea7\u751f\u4e00\u4e2a\u7b26\u5408\u5361\u65b9\u5206\u5e03\u7684\u968f\u673a\u6570<\/p>\n<\/li>\n<li>\n<pre><code>import random\n# - \u4ea7\u751f\u4e00\u4e2a\u7b80\u5355\u7684\u968f\u673a\u6570\nprint(random.random())\nprint(random.randrange(1,10))\n# - \u4ea7\u751f\u4e00\u4e2a\u7b26\u5408\u6b63\u6001\u5206\u5e03\u7684\u968f\u673a\u6570\nimport numpy as np\nprint(np.random.randn(3,3))\n# [[-0.65330669 -2.17752451 -0.59458216]\n#  [-1.25848013  1.06000312 -0.21712177]\n#  [-1.5914388   0.59092913  0.56820017]]\n# - \u4ea7\u751f\u4e00\u4e2a\u7b26\u5408\u5361\u65b9\u5206\u5e03\u7684\u968f\u673a\u6570\n# df\u53eb\u505a\u81ea\u7531\u5ea6--\u8d8a\u5927\u8d8a\u63a5\u8fd1\u4e8e\u6b63\u6001\u5206\u5e03\nprint(&quot;chisuare test:\\n&quot;,np.random.chisquare(3,(3,3)))\nprint(&quot;chisuare test:\\n&quot;,np.random.chisquare(df=3,size=(3,3)))\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><a id=\"7-python%E7%9A%84%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84\" class=\"anchor\" aria-hidden=\"true\" href=\"#7-python%E7%9A%84%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84\"><span class=\"octicon octicon-link\"><\/span><\/a>7. Python\u7684\u6570\u636e\u7ed3\u6784<\/h2>\n<ul>\n<li>\n<p>\u5217\u8868<\/p>\n<\/li>\n<li>\n<p>\u5b57\u5178<\/p>\n<\/li>\n<li>\n<p>\u5143\u7956<\/p>\n<\/li>\n<li>\n<p>\u96c6\u5408<\/p>\n<\/li>\n<li>\n<p>\u4ee3\u7801\uff1a<\/p>\n<\/li>\n<li>\n<pre><code># list\u5217\u8868-tuple\u5143\u7956-dict\u5b57\u5178-set\u96c6\u5408\n# list\u5217\u8868--\u6839\u636e[]\u521b\u5efa\uff0c\u6839\u636e\u4e0b\u6807\u67e5\u8be2\u3001\u66f4\u6539\u3001\u5220\u9664\u7b49\u64cd\u4f5c\uff0c\u5143\u7d20\u662f\u5f02\u8d28\u7684\n# 1-\u521b\u5efa\nl1 = [1, 2, 3, 4, 5]\nprint(l1)\nprint(type(l1))\n# 2-\u66f4\u65b0\nprint(&quot;location 0 value is:&quot;, l1[0])\nl1[0] = &quot;apple&quot;\nprint(&quot;list set is:&quot;, l1)\n# 3-\u589e\u52a0\nl1.append(&quot;banana&quot;)\nprint(l1)\n# 4-\u5220\u9664\ndel l1[5]\nprint(l1)\n# tuple\u5143\u7956---\u6839\u636e()\u521b\u5efa\uff0c\u6839\u636e\u4e0b\u6807\u67e5\u8be2\uff0c\u4f46\u662f\u4e0d\u80fd\u6839\u636e\u4e0b\u6807\u66f4\u6539\u3001\u5220\u9664\u7b49\u64cd\u4f5c\n# 1-\u521b\u5efa\nt1 = (1, 2, 3, 4, 5,&quot;apple&quot;)\nprint(t1)\nprint(type(t1))\n# 2-\u66f4\u65b0\nprint(t1[0])\n# t1[0]=&quot;apple&quot;#TypeError: 'tuple' object does not support item assignment\n# 3-\u589e\u52a0\n# 4-\u5220\u9664\n# TypeError: 'tuple' object doesn't support item deletion\n# del t1[0]\n# dict\u5b57\u5178--\u6839\u636e{}\u521b\u5efa\uff0c\u6839\u636ekey\u83b7\u53d6value\uff0c\u589e\u52a0\u6216\u5220\u9664value\u7684\u4fe1\u606f\n# 1-\u521b\u5efa\npear_ = {&quot;apple&quot;: 1, &quot;pear&quot;: 2}\nprint(pear_)\n# 2-\u66f4\u65b0\npear_[&quot;apple&quot;]=100\nprint(pear_)\n# 3-\u589e\u52a0\npear_[&quot;banana&quot;]=1000\nprint(pear_)\n# 4-\u5220\u9664\ndel pear_[&quot;banana&quot;]\nprint(pear_)\n# set\u96c6\u5408--\u96c6\u5408\u65e0\u5e8f\u6027-\u4e92\u5f02\u6027-\u552f\u4e00\u6027\n# 1-\u521b\u5efa\ns1 = {1, 2, 3, 4}\nprint(s1)\nprint(type(s1))\n# 2-\u66f4\u65b0\nls1=list(s1)\nprint(ls1)\n# 3-\u589e\u52a0\ns1.add(&quot;apple&quot;)\nprint(s1)\n# 4-\u5220\u9664\ns1.remove(&quot;apple&quot;)\nprint(s1)\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<h2><a id=\"8-python%E7%9A%84%E5%88%97%E8%A1%A8\" class=\"anchor\" aria-hidden=\"true\" href=\"#8-python%E7%9A%84%E5%88%97%E8%A1%A8\"><span class=\"octicon octicon-link\"><\/span><\/a>8. Python\u7684\u5217\u8868<\/h2>\n<ul>\n<li>\n<p>list<\/p>\n<\/li>\n<li>\n<p>\u5207\u7247\u64cd\u4f5c\uff1a<\/p>\n<\/li>\n<li>\n<pre><code>#\u521b\u5efa\nl1 = [1, 2, 3, 4]\nl2 = list((1,2,3,4))\nl3 = list({1,2,3,4})\nl4 = list({1:&quot;apple&quot;,2:&quot;banana&quot;,3:&quot;ok&quot;,4:&quot;hello&quot;})\nprint(l1)\nprint(l2)\nprint(l3)\nprint(l4)\nnum=range(10)\nprint(num)#[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]   range(0, 10)\nprint(type(num))#&lt;type 'list'&gt;  &lt;class 'range'&gt;\nprint(list(num))\n#\u5207\u7247\u64cd\u4f5c[start\uff1astop:step ]\nl5 = list(range(10))\nprint(l5)\nprint(l5[::])\nprint(l5[0::])\nprint(l5[0:2:])\nprint(l5[0:2])\nprint(l5[::-1])\nprint(l5[1::2])\nprint(l5[::2])\nprint(l5[1:3]) #1-2\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<h2><a id=\"9-python%E7%9A%84%E5%88%97%E8%A1%A8%E7%9A%84%E5%87%BD%E6%95%B0\" class=\"anchor\" aria-hidden=\"true\" href=\"#9-python%E7%9A%84%E5%88%97%E8%A1%A8%E7%9A%84%E5%87%BD%E6%95%B0\"><span class=\"octicon octicon-link\"><\/span><\/a>9. Python\u7684\u5217\u8868\u7684\u51fd\u6570<\/h2>\n<ul>\n<li>\n<p>list\u7684\u591a\u79cd\u521b\u5efa\u65b9\u6cd5<\/p>\n<\/li>\n<li>\n<p>list\u7684\u5207\u7247\u64cd\u4f5c<\/p>\n<\/li>\n<li>\n<p>list\u7684zip\u51fd\u6570\u548cenumerate\u51fd\u6570<\/p>\n<\/li>\n<li>\n<p>list\u7684\u57fa\u672c\u7684\u64cd\u4f5c\u51fd\u6570<\/p>\n<\/li>\n<li>\n<pre><code>l1 = list(range(10))\nprint(l1)\nprint(l1[0])\n# \u5217\u8868\u64cd\u4f5c\u5305\u542b\u4ee5\u4e0b\u51fd\u6570:\n# 1\u3001cmp(list1, list2)\uff1a\u6bd4\u8f83\u4e24\u4e2a\u5217\u8868\u7684\u5143\u7d20---\u5728Python3\u4e2d\u53d6\u6d88\u4e86cmp\u51fd\u6570\uff0c\u5728Python2\u4e2d\u53ef\u7528\u7684\n# 2\u3001len(list)\uff1a\u5217\u8868\u5143\u7d20\u4e2a\u6570\nprint(len(l1))\n# 3\u3001max(list)\uff1a\u8fd4\u56de\u5217\u8868\u5143\u7d20\u6700\u5927\u503c\nprint(max(l1))\n# 4\u3001min(list)\uff1a\u8fd4\u56de\u5217\u8868\u5143\u7d20\u6700\u5c0f\u503c\nprint(min(l1))\n# 5\u3001list(seq)\uff1a\u5c06\u5143\u7ec4\u8f6c\u6362\u4e3a\u5217\u8868\n# \u5217\u8868\u64cd\u4f5c\u5305\u542b\u4ee5\u4e0b\u65b9\u6cd5:\n# 1\u3001list.append(obj)\uff1a\u5728\u5217\u8868\u672b\u5c3e\u6dfb\u52a0\u65b0\u7684\u5bf9\u8c61\nl1.append(&quot;apple&quot;)\nprint(&quot;result value is:&quot;,l1)\n# 2\u3001list.count(obj)\uff1a\u7edf\u8ba1\u67d0\u4e2a\u5143\u7d20\u5728\u5217\u8868\u4e2d\u51fa\u73b0\u7684\u6b21\u6570\nprint(&quot;list count:&quot;,l1.count(&quot;apple&quot;))\n# 3\u3001list.extend(seq)\uff1a\u5728\u5217\u8868\u672b\u5c3e\u4e00\u6b21\u6027\u8ffd\u52a0\u53e6\u4e00\u4e2a\u5e8f\u5217\u4e2d\u7684\u591a\u4e2a\u503c\uff08\u7528\u65b0\u5217\u8868\u6269\u5c55\u539f\u6765\u7684\u5217\u8868\uff09\nl1.extend([6,7,8,9])\nprint(&quot;change x value is:&quot;,l1)\n# 4\u3001list.index(obj)\uff1a\u4ece\u5217\u8868\u4e2d\u627e\u51fa\u67d0\u4e2a\u503c\u7b2c\u4e00\u4e2a\u5339\u914d\u9879\u7684\u7d22\u5f15\u4f4d\u7f6e\nprint(l1.index(&quot;apple&quot;))\n# 5\u3001list.insert(index, obj)\uff1a\u5c06\u5bf9\u8c61\u63d2\u5165\u5217\u8868\nl1.insert(10,&quot;pear&quot;)\nprint(l1)\n# 6\u3001list.pop(obj=list[-1])\uff1a\u79fb\u9664\u5217\u8868\u4e2d\u7684\u4e00\u4e2a\u5143\u7d20\uff08\u9ed8\u8ba4\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff09\uff0c\u5e76\u4e14\u8fd4\u56de\u8be5\u5143\u7d20\u7684\u503c\nprint(l1.pop())\nprint(l1.pop())\n# 7\u3001list.remove(obj)\uff1a\u79fb\u9664\u5217\u8868\u4e2d\u67d0\u4e2a\u503c\u7684\u7b2c\u4e00\u4e2a\u5339\u914d\u9879\nl1.remove(&quot;apple&quot;)\nprint(l1)\n# 8\u3001list.reverse()\uff1a\u53cd\u5411\u5217\u8868\u4e2d\u5143\u7d20\nl1.reverse()\nprint(l1)\nprint(l1[::-1])\n# 9\u3001list.sort([func])\uff1a\u5bf9\u539f\u5217\u8868\u8fdb\u884c\u6392\u5e8f\nl1.sort(key=lambda x:len(str(x)),reverse=False)\nprint(l1)\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<h2><a id=\"10-python%E7%9A%84%E5%85%83%E7%A5%96%E7%9A%84%E6%93%8D%E4%BD%9C\" class=\"anchor\" aria-hidden=\"true\" href=\"#10-python%E7%9A%84%E5%85%83%E7%A5%96%E7%9A%84%E6%93%8D%E4%BD%9C\"><span class=\"octicon octicon-link\"><\/span><\/a>10. Python\u7684\u5143\u7956\u7684\u64cd\u4f5c<\/h2>\n<ul>\n<li>\n<p>tuple<\/p>\n<\/li>\n<li>\n<p>\u4ee3\u7801<\/p>\n<\/li>\n<li>\n<pre><code>#-*- coding: utf-8 -*-\n# @Time    : 2019\/11\/10 14:54\n# @Author  : time\n# @Email   : load\n# @File    : 12.0tuple.py\n\nt1=(1,2,3,4,5,6)\nprint(t1)\nprint(type(t1))\n#\u5176\u4ed6\u521b\u5efa\u65b9\u5f0f\nt2=tuple([1,2,3,4])\nprint(t2)\nt3=tuple({1,2,3,4})\nprint(t3)\nt4=tuple({1:&quot;apple&quot;,2:&quot;pear&quot;,3:&quot;banana&quot;,4:&quot;orange&quot;})\nprint(t4)\nt5=tuple({1:&quot;apple&quot;,2:&quot;pear&quot;,3:&quot;banana&quot;,4:&quot;orange&quot;}.keys())\nprint(t5)\nt6=tuple({1:&quot;apple&quot;,2:&quot;pear&quot;,3:&quot;banana&quot;,4:&quot;orange&quot;}.values())\nprint(t6)\nt7=tuple({1:&quot;apple&quot;,2:&quot;pear&quot;,3:&quot;banana&quot;,4:&quot;orange&quot;}.items())\nprint(t7)\n#\u5982\u679c\u5728\u4e00\u4e2atuple\u4e2d\u6709\u4e00\u4e2a\u5b9a\u4e49\u7684list\uff0c\u8bf7\u95eelist\u4e2d\u7684\u5143\u7d20\u662f\u5426\u53ef\u4ee5\u53d8\u66f4\nt3= (1, 2, 3, 4, [&quot;apple&quot;, &quot;ok&quot;, 2])\nprint(t3)\nprint(t3[0])\nprint(t3[1])\nprint(t3[2])\nprint(t3[3])\nprint(t3[4])\nt3[4][0]=&quot;penapplepen&quot;\nprint(t3)\n#\u5982\u679c\u5b9a\u4e49\u53ea\u6709\u4e00\u4e2a\u5143\u7d20\u7684tuple,\u5982\u4f55\u5b9a\u4e49\uff1f\nt4=(1,)\nprint(type(t4))\n#\u4ecetuple---&gt;list\u89e3\u51bb---&gt;\u91cc\u9762\u5143\u7d20\u53ef\u53d8\n#tuple\u53ef\u4ee5\u8fdb\u884c\u591a\u5143\u7d20\u7684\u8d4b\u503c--------\u5e8f\u5217\u89e3\u5305\na,b,c=1,2,3\nprint(a,b,c)\n(m,n,p)=1,2,3\nv=(m,n,p)\nprint(v)\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<h2><a id=\"11-python%E7%9A%84%E5%AD%97%E5%85%B8%E7%9A%84%E6%93%8D%E4%BD%9C\" class=\"anchor\" aria-hidden=\"true\" href=\"#11-python%E7%9A%84%E5%AD%97%E5%85%B8%E7%9A%84%E6%93%8D%E4%BD%9C\"><span class=\"octicon octicon-link\"><\/span><\/a>11. Python\u7684\u5b57\u5178\u7684\u64cd\u4f5c<\/h2>\n<ul>\n<li>\n<p>key-value<\/p>\n<\/li>\n<li>\n<p>\u521b\u5efa\u8865\u5145<\/p>\n<\/li>\n<\/ul>\n<pre><code> fruit = {&quot;apple&quot;: 1, &quot;pear&quot;: 2, &quot;banana&quot;: 3}\n print(fruit)\n print(type(fruit))\n d1 = dict(zip([&quot;Apple&quot;, &quot;pear&quot;, &quot;bababa&quot;], [1, 2, 3]))\n print(d1)\n print(d1.keys())\n print(d1.values())\n print(d1.items())\n d2 = dict(Apple=1, Pear=2, Bnanna=3)\n print(d2)\n #1-key\u662f\u9700\u8981\u5177\u5907\u4ec0\u4e48\u7ed3\u6784\u7684\u624d\u53ef\u4ee5\u5145\u5f53\uff1f\u7b54\u6848\uff1a\u53efHash\u7684\n print(hash(&quot;apple&quot;))\n print(hash(&quot;pear&quot;))\n # print(hash([&quot;pear&quot;]))#TypeError: unhashable type: 'list'\n print(hash((&quot;1000&quot;)))\n ssss_ = {&quot;apple&quot;: 1, &quot;banana&quot;: 2, (&quot;ssss&quot;): 3}#TypeError: unhashable type: 'list'\n print(ssss_)\n #2-key\u662f\u4e0d\u53ef\u4ee5\u91cd\u590d\u7684\u90e8\u5206\uff0c\u5982\u679c\u91cd\u590d\u7684key\u9700\u8981\u7406\u89e3\u4e1a\u52a1\u542b\u4e49\n pear_ = {&quot;Apple&quot;: 1, &quot;pear&quot;: 2, &quot;banana&quot;: 3, &quot;pear&quot;: 100}\n print(pear_)\n # del ssss_\n # print(ssss_)\n pear_.clear()\n print(pear_)\n\n<\/code><\/pre>\n<ul>\n<li>\u51fd\u6570\u7684\u8be6\u89e3<\/li>\n<\/ul>\n<pre><code>  # \u516d\u3001\u5b57\u5178\u5185\u7f6e\u51fd\u6570&amp;\u65b9\u6cd5\n  d1 = dict(zip([1, 2, 3], [&quot;apple&quot;, &quot;pear&quot;, &quot;banana&quot;]))\n  print(d1)\n  # Python\u5b57\u5178\u5305\u542b\u4e86\u4ee5\u4e0b\u5185\u7f6e\u51fd\u6570\uff1a\n  # 1\u3001cmp(dict1, dict2)\uff1a\u6bd4\u8f83\u4e24\u4e2a\u5b57\u5178\u5143\u7d20\u3002---\u57283\u4e2d\u53bb\u6389\u4e86\u65b9\u6cd5\n  # 2\u3001len(dict)\uff1a\u8ba1\u7b97\u5b57\u5178\u5143\u7d20\u4e2a\u6570\uff0c\u5373\u952e\u7684\u603b\u6570\u3002\n  print(len(d1))\n  # 3\u3001str(dict)\uff1a\u8f93\u51fa\u5b57\u5178\u53ef\u6253\u5370\u7684\u5b57\u7b26\u4e32\u8868\u793a\u3002\n  print(str(d1))\n  # 4\u3001type(variable)\uff1a\u8fd4\u56de\u8f93\u5165\u7684\u53d8\u91cf\u7c7b\u578b\uff0c\u5982\u679c\u53d8\u91cf\u662f\u5b57\u5178\u5c31\u8fd4\u56de\u5b57\u5178\u7c7b\u578b\u3002\n  # Python\u5b57\u5178\u5305\u542b\u4e86\u4ee5\u4e0b\u5185\u7f6e\u65b9\u6cd5\uff1a\n  # 1\u3001radiansdict.clear()\uff1a\u5220\u9664\u5b57\u5178\u5185\u6240\u6709\u5143\u7d20\n  # 2\u3001radiansdict.copy()\uff1a\u8fd4\u56de\u4e00\u4e2a\u5b57\u5178\u7684\u6d45\u590d\u5236\n  # 3\u3001radiansdict.fromkeys()\uff1a\u521b\u5efa\u4e00\u4e2a\u65b0\u5b57\u5178\uff0c\u4ee5\u5e8f\u5217seq\u4e2d\u5143\u7d20\u505a\u5b57\u5178\u7684\u952e\uff0cval\u4e3a\u5b57\u5178\u6240\u6709\u952e\u5bf9\u5e94\u7684\u521d\u59cb\u503c\n  # \u5982\uff1aprint &quot;fromkeys&quot;,dict_2.fromkeys(dict_2,10)\n  # 4\u3001radiansdict.get(key, default=None)\uff1a\u8fd4\u56de\u6307\u5b9a\u952e\u7684\u503c\uff0c\u5982\u679c\u503c\u4e0d\u5728\u5b57\u5178\u4e2d\u8fd4\u56dedefault\u503c\n  print(d1.get(1))\n  # 5\u3001radiansdict.__contains__(key)\uff1a\u5982\u679c\u952e\u5728\u5b57\u5178dict\u91cc\u8fd4\u56detrue\uff0c\u5426\u5219\u8fd4\u56defalse\n  # 6\u3001radiansdict.items()\uff1a\u4ee5\u5217\u8868\u8fd4\u56de\u53ef\u904d\u5386\u7684(\u952e, \u503c) \u5143\u7ec4\u6570\u7ec4\n  # 7\u3001radiansdict.keys()\uff1a\u4ee5\u5217\u8868\u8fd4\u56de\u4e00\u4e2a\u5b57\u5178\u6240\u6709\u7684\u952e\n  # 8\u3001radiansdict.setdefault(key, default=None)\uff1a\u548cget()\u7c7b\u4f3c, \u4f46\u5982\u679c\u952e\u4e0d\u5df2\u7ecf\u5b58\u5728\u4e8e\u5b57\u5178\u4e2d\uff0c\u5c06\u4f1a\u6dfb\u52a0\u952e\u5e76\u5c06\u503c\u8bbe\u4e3adefault\n  # 9\u3001radiansdict.update(dict2)\uff1a\u628a\u5b57\u5178dict2\u7684\u952e\/\u503c\u5bf9\u66f4\u65b0\u5230dict\u91cc\n  d1.update({&quot;orange&quot;:234,&quot;ooo&quot;:45})\n  print(d1)\n  # 10\u3001radiansdict.values()\uff1a\u4ee5\u5217\u8868\u8fd4\u56de\u5b57\u5178\u4e2d\u7684\u6240\u6709\u503c\n  \n<\/code><\/pre>\n<h2><a id=\"12-set%E9%9B%86%E5%90%88\" class=\"anchor\" aria-hidden=\"true\" href=\"#12-set%E9%9B%86%E5%90%88\"><span class=\"octicon octicon-link\"><\/span><\/a>12. set\u96c6\u5408<\/h2>\n<ul>\n<li>\u96c6\u5408\u6ee1\u8db3\u65e0\u5e8f\u6027\u3001\u552f\u4e00\u6027\u3001\u786e\u5b9a\u6027<\/li>\n<\/ul>\n<pre><code>  set1 = {1, 2, 3, 5, 7, 10}\n  print(set1)\n  #\u96c6\u5408\u7684\u589e\u52a0\n  set1.add(&quot;apple&quot;)\n  print(set1)\n  #\u96c6\u5408\u7684\u5220\u9664\n  set1.remove(&quot;apple&quot;)\n  print(set1)\n  #\u96c6\u5408\u7684\u5220\u9664\n  set1.discard(10)\n  print(set1)\n  #\u96c6\u5408\u7684\u66f4\u65b0\n  set1.update({9,8,7})\n  print(set1)\n  #\u96c6\u5408\u8fd0\u7b97\n  # \u96c6\u5408\u7684\u4ea4\u96c6\n  set3={1,2,3,6}\n  set2={9,8,7,6}\n  print(set2 &amp; set3)\n  print(set2.intersection(set3))\n  # \u96c6\u5408\u7684\u5e76\u96c6\n  print(set2 | set3)\n  print(set2.union(set3))\n  # \u96c6\u5408\u7684\u8865\u9f50\n  print(set2 -set3)\n  print(set2.difference(set3))\n  \n<\/code><\/pre>\n<h2><a id=\"13%E5%88%97%E8%A1%A8%E8%A1%A8%E8%BE%BE%E5%BC%8F\" class=\"anchor\" aria-hidden=\"true\" href=\"#13%E5%88%97%E8%A1%A8%E8%A1%A8%E8%BE%BE%E5%BC%8F\"><span class=\"octicon octicon-link\"><\/span><\/a>13. \u5217\u8868\u8868\u8fbe\u5f0f<\/h2>\n<ul>\n<li>\n<p>\u6c42\u89e3\u6ee1\u8db3\u6761\u4ef6\u7684\u5217\u8868<\/p>\n<\/li>\n<li>\n<p>[\u8868\u8fbe\u5f0f for\u53d8\u91cf in \u53ef\u8fed\u4ee3\u7684\u5bf9\u8c61\u4e2d if \u6761\u4ef6\u5224\u65ad]<\/p>\n<\/li>\n<\/ul>\n<pre><code>  # \u5217\u8868\u8868\u8fbe\u5f0f [\u8868\u8fbe\u5f0f for \u53d8\u91cf in \u53ef\u8fed\u4ee3\u7684\u5bf9\u8c61\u4e2d if \u6761\u4ef6\u5224\u65ad]\n  # \u76ee\u7684\uff1a\u6c42\u89e3\u6ee1\u8db3\u6761\u4ef6\u7684\u5217\u8868\n  # x*x]\n  result = []\n  \n  for x in range(10):\n      result.append(x * x)\n  print(result)\n  # \u7b49\u4ef7\u4e8e\n  result1 = [x * x for x in range(10) if x != 0]\n  print(result1)\n  \n  \n  # \u7b49\u4ef7\u4e8e\n  # map\u51fd\u6570\u7684\u7528\u6cd5\uff0c\u5c31\u662f\u5c06\u51fd\u6570\u5e94\u7528\u5728\u5e8f\u5217\u4e0a\u9762\u53bb\n  def add(x):\n      return x * x\n  \n  \n  r1 = map(add, range(10))\n  print(list(r1))\n  # \u7b49\u4ef7\u4e8emap(_.split(&quot;&quot;)).map(x=&gt;x*2)\n  r2 = list(map(lambda x: x * x, range(10)))\n  print(r2)\n  \n  # 1.\u4f7f\u7528\u5217\u8868\u63a8\u5230\u5f0f\u5b9e\u73b0\u5d4c\u5957\u5217\u8868\u7684\u5e73\u94fa\uff08\u4e24\u4e2afor\u5faa\u73af\uff09\n  vec = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]\n  print(vec)\n  # \u7b49\u4ef7\n  result3 = []\n  for i in vec:\n      for j in i:\n          result3.append(j)\n  print(result3)\n  # \u7b49\u4ef7\n  result4 = [j for i in vec for j in i]\n  print(result4)\n  # \u7b49\u4ef7\n  # def re(*vec):\n  #     for i in vec:\n  #             result3.append(i)\n  #     return result3\n  # print(list(map(re,vec)))\n  \n  # 2.\u8fc7\u6ee4\u4e0d\u7b26\u5408\u6761\u4ef6\u7684\u5143\u7d20\n  vec1 = [1, 2, 3, 4, -1, -2, -3, -10, 0]\n  result5 = []\n  for i in vec1:\n      if i &gt; 0:\n          result5.append(i)\n  print(result5)\n  # \u7b49\u4ef7\u4e8e\n  result6 = [x for x in vec1 if x &gt; 0]\n  print(result6)\n  \n  \n  # \u7b49\u4ef7\u4e8e\n  def sub(x):\n      if x &gt; 0:\n          return x\n      else:\n          return -1\n  \n  \n  print(list(map(sub, vec1)))\n  \n  # 3.\u5217\u8868\u63a8\u5bfc\u4e2d\u4f7f\u7528\u591a\u4e2a\u5faa\u73af\u5b9e\u73b0\u591a\u5e8f\u5217\u5143\u7d20\u4efb\u610f\u7684\u7ec4\u5408\uff0c\u5e76\u8fc7\u6ee4\u5143\u7d20\n  result7 = []\n  for i in range(10):\n      for j in range(10):\n          if i != j:\n              result7.append((i, j))\n  print(result7)\n  # \u7b49\u4ef7\u4e8e\n  result8 = [(x, y) for x, y in zip(range(10), range(10))]\n  print(result8)\n  result9 = [(x, y) for x in range(10) for y in range(10) if x != y]\n  print(result9)\n  print(result9==result7)\n  \n  #4.\u5b9e\u73b0\u5217\u8868\u63a8\u5230\u5f0f\u5b9e\u73b0\u77e9\u9635\u8f6c\u7f6e\n  vec3=[[1,2,3],[4,5,6],[7,8,9]]\n  print(list(range(3)))  # 012\n  print(list(range(0,3)))  # 012\n  print(list(range(0,3,1)))  # 012\n  result10=[[row[i] for row in vec3] for i in range(3)]\n  print(result10)\n  #zip\n  print(list(zip([1,2,3],[4,5,6],[7,8,9])))\n  print(list(map(list,zip([1,2,3],[4,5,6],[7,8,9]))))\n  \n  ##5.\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u751f\u6210100\u4ee5\u5185\u7684\u6240\u6709\u7d20\u6570\n  #10-----1) 2---9\/10  2)2---5(2\/10)   3)2----sqrt(10)\n  sushu = [p for p in range(2, 101) if 0 not in [p % q for q in range(2, p)]]\n  print(sushu)\n  import numpy as np\n  sushu1 = [p for p in range(2, 101) if 0 not in [p % q for q in range(2, int(np.sqrt(p))+1)]]\n  print(sushu1)\n  \n  \n  from functools import reduce\n  def add(x,y):\n      return  x+y\n  result10 =reduce(add, range(5))\n  print(result10)\n  \n  seq1 = ['foo', 'x41', '?1', '***']\n  print(list(filter(lambda x:x.isalnum(),seq1)))\n  print(list(filter(lambda x:x!=0,[1,2,3,0,0,4,0,5])))\n  print(list(filter(None,[1,2,3,0,0,4,0,5])))\n  #If function is None, return the items that are true\n  \n  list2=[&quot;apple&quot;,&quot;pear&quot;,&quot;ok&quot;,&quot;banananna&quot;]\n  list2.sort(key=lambda x:len(str(x)),reverse=True)\n  print(list2)\n\n<\/code><\/pre>\n<h2><a id=\"14%E5%AD%97%E5%85%B8%E8%A1%A8%E8%BE%BE%E5%BC%8F%E7%94%9F%E6%88%90%E5%99%A8%E8%A1%A8%E8%BE%BE%E5%BC%8F\" class=\"anchor\" aria-hidden=\"true\" href=\"#14%E5%AD%97%E5%85%B8%E8%A1%A8%E8%BE%BE%E5%BC%8F%E7%94%9F%E6%88%90%E5%99%A8%E8%A1%A8%E8%BE%BE%E5%BC%8F\"><span class=\"octicon octicon-link\"><\/span><\/a>14. \u5b57\u5178\u8868\u8fbe\u5f0f\/\u751f\u6210\u5668\u8868\u8fbe\u5f0f<\/h2>\n<ul>\n<li>\u751f\u6210\u5668\u8868\u8fbe\u5f0f<\/li>\n<\/ul>\n<pre><code>  # \u5143\u7956\u8868\u8fbe\u5f0f (\u8868\u8fbe\u5f0f for \u53d8\u91cf in \u53ef\u8fed\u4ee3\u7684\u5bf9\u8c61\u4e2d if \u6761\u4ef6\u5224\u65ad)  \u60f0\u6027\u6c42\u503c\n  # x*x\n  re1 = (x * x for x in range(10))\n  print(re1.__next__())\n  print(re1.__next__())\n  print(re1.__next__())\n  print(list(re1))\n  print(list(re1))\n\n<\/code><\/pre>\n<ul>\n<li>\u5b57\u5178\u8868\u8fbe\u5f0f<\/li>\n<\/ul>\n<pre><code>  # \u5b57\u5178\u8868\u8fbe\u5f0f {key:value for \u53d8\u91cf in \u53ef\u8fed\u4ee3\u7684\u5bf9\u8c61\u4e2d if \u6761\u4ef6\u5224\u65ad}\n  A=[&quot;a&quot;,&quot;b&quot;,&quot;c&quot;,&quot;d&quot;]\n  V=[1,2,3,4]\n  dict1 = {key: value for key, value in zip(A, V)}\n  print(dict1)\n  print(type(dict1))\n  \n  from collections import OrderedDict\n  order = OrderedDict()\n  order[&quot;apple&quot;]=100\n  order[&quot;banana&quot;]=200\n  print(order)\n  \n  print(ord(&quot;A&quot;))\n  print(ord(&quot;a&quot;))#ASCII\n\n<\/code><\/pre>\n<ul>\n<li>\u57fa\u672c\u6570\u636e\u7ed3\u6784\u548c\u8868\u8fbe\u5f0f<\/li>\n<\/ul>\n<h2><a id=\"15%E5%87%BD%E6%95%B0%E7%9A%84%E7%BB%93%E6%9E%84\" class=\"anchor\" aria-hidden=\"true\" href=\"#15%E5%87%BD%E6%95%B0%E7%9A%84%E7%BB%93%E6%9E%84\"><span class=\"octicon octicon-link\"><\/span><\/a>15. \u51fd\u6570\u7684\u7ed3\u6784<\/h2>\n<ul>\n<li>\u51fd\u6570\u7684\u53c2\u6570\u548c\u8fd4\u56de\u503c<\/li>\n<\/ul>\n<pre><code>  # -*- coding: utf-8 -*-\n  # @Time    : 2019\/11\/10 16:59\n  # @Author  : time\n  # @Email   : load\n  # @File    : 19.0pythonFunctions.py\n  \n  # \u51fd\u6570\uff1a\u51fd\u6570\u7684\u53c2\u6570+\u51fd\u6570\u7684\u8fd4\u56de\u503c\n  # 1-\u6ca1\u6709\u53c2\u6570\u6ca1\u6709\u8fd4\u56de\u503c\n  def sayHello():\n      print(&quot;Hello&quot;*5)\n  sayHello()\n  sayHello()\n  sayHello()\n  sayHello()\n  # 2-\u6ca1\u6709\u53c2\u6570\u6709\u8fd4\u56de\u503c\n  def syaHi():\n      return &quot;Hello &quot;*5\n  syaHi()\n  syaHi()\n  syaHi()\n  # 3-\u6709\u53c2\u6570\u6ca1\u6709\u8fd4\u56de\u503c\n  def addThreeNumber(a,b,c):\n      print(a+b+c)\n  \n  # 4-\u6709\u53c2\u6570\u6709\u8fd4\u56de\u503c\n  def addThreeNumber1(a,b,c):\n      return a+b+c\n  \n  X=60\n  def showNumber(X):\n      print(&quot;current number is:&quot;,X)\n      X=100\n      print(&quot;change number is:&quot;,X)\n  \n  showNumber(X)\n  print(&quot;Final X value is:&quot;,X)\n  \n  Y=100\n  def showNumber1():\n      global  Y\n      print(&quot;current Y value is:&quot;,Y)\n      Y=200\n      print(&quot;change Y is:&quot;,Y)\n  showNumber1()\n  print(&quot;Final Y is:&quot;,Y)\n  \n  if __name__ == '__main__':\n      addThreeNumber(1, 2, 3)\n      number_ = addThreeNumber1(1, 2, 3)\n      print(number_)\n<\/code><\/pre>\n<ul>\n<li>\u51fd\u6570\u7684\u53c2\u6570<\/li>\n<\/ul>\n<pre><code>  #\u9ed8\u8ba4\u53c2\u6570\n  def SayHello(str=&quot;hhh&quot;,times=12):\n      print(str*times)\n  \n  SayHello(&quot;Hello&quot;,10)\n  SayHello(&quot;Hello&quot;)\n  #\u5173\u952e\u5b57\u53c2\u6570\n  def AddThreeNumber(a,b,c=10):\n      print(a+b+c)\n  \n  AddThreeNumber(1,2,3)\n  AddThreeNumber(c=1,b=2,a=3)\n  AddThreeNumber(a=1,b=2)\n  \n  #\u53d8\u957f\u53c2\u6570\n  def printFunctions(fparamters,*tuples1,**dict1):\n      print(&quot;paramberts&quot;,fparamters)\n      print(&quot;tuples1:&quot;,tuples1)\n      print(&quot;dict1:&quot;,dict1)\n  \n  printFunctions(1,2,3,&quot;apple&quot;,&quot;pear&quot;,name=&quot;Zhsngan&quot;,age=12)\n  \n  vec=[[1,2,3],[4,5,6],[7,8,9]]\n  print(*vec)\n  \n  print(list(zip([1,2,3],[4,5,6],[7,8,9])))\n  print(list(zip(*vec)))\n  \n  vec1=[1,2,3]\n  print(*vec1)\n  \n  def addThreeNumber(a,b,c):\n      print(a+b+c)\n  addThreeNumber(*vec1)\n  def demo1(*p):\n      print(p)\n  demo1(1,2,3)\n  demo1(1,2,3,34)\n  def demo2(**p):\n      for item in p.items():\n          print(item)\n  demo2(x=1,y=2,z=3) #key\u548cvalue\u5f62\u5f0f\n\n<\/code><\/pre>\n<ul>\n<li>lambda\u8868\u8fbe\u5f0f<\/li>\n<\/ul>\n<pre><code>    # \u8bed\u6cd5\uff1alambda \u53d8\u91cf\uff1a\u8868\u8fbe\u5f0f\n    # x*x\n    #lambda\u533f\u540d\u51fd\u6570---\u6ca1\u6709\u540d\u5b57\n    g = lambda x: x * x\n    print(g(10))\n    x_x = (lambda x: x * x)(10)\n    print(x_x)\n    #map\n    m = list(map(str, range(10)))\n    print(m)\n    print(type(m))\n\n<\/code><\/pre>\n<!--CusAds0-->\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>1. Python\u7279\u70b9 Python\u9762\u5411\u5bf9\u8c61\u3001\u89e3\u6790\u6027\u7684\u8bed\u8a00 \u51e0\u79cd\u89e3\u6790\u5668\uff1a CPython\uff1aC\u8bed\u8a00\u89e3\u6790Python\u8bed\u8a00\u7684\u89e3\u6790\u5668 Jpython\uff1aJava\u8bed\u8a00\u89e3\u6790Python\u8bed\u8a00 IronPython\uff1a\u7528C#(.net\u5e73\u53f0)\u89e3\u6790 PyPy\uff1a\u662f\u4f7f\u7528Python\u8bed\u8a00\u89e3\u6790 Python\u7684\u5e94\u7528\u5e7f\uff0c\u5728\u79d1\u5b66\u8ba1\u7b97\u3001\u81ea\u7136\u8bed\u8a00\u5904\u7406\u3001\u56fe\u5f62\u56fe &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0},"categories":[12],"tags":[],"_links":{"self":[{"href":"https:\/\/zhang.mba\/index.php\/wp-json\/wp\/v2\/posts\/1702"}],"collection":[{"href":"https:\/\/zhang.mba\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zhang.mba\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zhang.mba\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zhang.mba\/index.php\/wp-json\/wp\/v2\/comments?post=1702"}],"version-history":[{"count":0,"href":"https:\/\/zhang.mba\/index.php\/wp-json\/wp\/v2\/posts\/1702\/revisions"}],"wp:attachment":[{"href":"https:\/\/zhang.mba\/index.php\/wp-json\/wp\/v2\/media?parent=1702"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zhang.mba\/index.php\/wp-json\/wp\/v2\/categories?post=1702"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zhang.mba\/index.php\/wp-json\/wp\/v2\/tags?post=1702"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}