{"id":311,"date":"2020-05-02T19:08:43","date_gmt":"2020-05-02T11:08:43","guid":{"rendered":"http:\/\/python.vvipblog.com\/?p=311"},"modified":"2020-05-02T19:08:43","modified_gmt":"2020-05-02T11:08:43","slug":"python%e5%bf%ab%e9%80%9f%e7%bc%96%e7%a8%8b%e5%85%a5%e9%97%a8-%e7%ac%ac2%e7%ab%a0-python%e5%9f%ba%e7%a1%80%e8%af%ad%e6%b3%95","status":"publish","type":"post","link":"http:\/\/www.vvipblog.com\/?p=311","title":{"rendered":"Python\u5feb\u901f\u7f16\u7a0b\u5165\u95e8\u2014\u2014\u7b2c2\u7ae0 Python\u57fa\u7840\u8bed\u6cd5"},"content":{"rendered":"<p>\u7b2c2\u7ae0 python\u57fa\u7840\u8bed\u6cd5<\/p>\n<p>\u4e00\u3001\u57fa\u672c\u8bed\u6cd5<br \/>\n\u4e8c\u3001\u53d8\u91cf\u548c\u6570\u636e\u7c7b\u578b<br \/>\n\u4e09\u3001\u6807\u8bc6\u7b26\u548c\u5173\u952e\u5b57<br \/>\n\u56db\u3001\u7b80\u5355\u6570\u503c\u7c7b\u578b<\/p>\n<p>\u4e00\u3001\u57fa\u672c\u8bed\u6cd5<\/p>\n<p>\u6ce8\u91ca\uff1aPython\u7684\u6ce8\u91ca\u662f\u7528# \u4e0d\u50cfC\/C++\u4f7f\u7528\u7684\u662f\/\/\u6216\u8005\/*\/\u3002\u591a\u884c\u6ce8\u91ca\u597d\u50cf\u633a\u9ebb\u70e6\u3002<\/p>\n<pre class=\"line-numbers\"><code class=\"language-markup\">#\u7b2c\u4e00\u4e2a\u6ce8\u91ca\nprint(\"hello python\")\n#'Python3\u9ed8\u8ba4 \u4f7f\u7528UTF-8\n#Python3\u4f7f\u7528\u7684\u662fprint\u51fd\u6570 Python2\u4f7f\u7528\u7684\u662fprint\u8bed\u53e5<\/code><\/pre>\n<p>\u884c\u4e0e\u7f29\u8fdb\uff1aPython\u4e2d\u7684\u7279\u8272\u662f\u7f29\u8fdb\u800cC\/C++\u8bed\u8a00\u4e00\u822c\u90fd\u662f\u4f7f\u7528\u7684\u62ec\u53f7\u6765\u8868\u793a\u8303\u56f4\u3002\u5982\u679c\u4e00\u5f00\u59cb\u4e60\u60ef\u62ec\u53f7\u611f\u89c9\u8fd8\u4e0d\u9002\u5e94\u4e0d\u8fc7\u540e\u9762\u6162\u6162\u5c31\u597d\u4e86\u3002<\/p>\n<p>&nbsp;<\/p>\n<pre class=\"line-numbers\"><code class=\"language-markup\">if True:\nprint(\"\u6267\u884c\")\nelse:\nprint(\"\u4e0d\u6267\u884c\")\n#\u7f29\u8fdb\u5982\u679c\u4e0d\u4e00\u81f4\u4f1a\u62a5\u9519\uff0cPython\u5efa\u8bae\u6bcf\u884c\u4ee3\u7801\u6700\u597d\u4e0d\u8981\u8d85\u8fc780\u4e2a\u5b57\u7b26\u3002<\/code><\/pre>\n<p>\u4e8c\u3001\u53d8\u91cf\u548c\u6570\u636e\u7c7b\u578b<\/p>\n<p>&nbsp;<\/p>\n<p>\u53d8\u91cf\u548c\u8d4b\u503c\uff1a\u53d8\u91cf\u548c\u8d4b\u503c\u5728Python\u5f53\u4e2d\u771f\u662f\u662f\u8d85\u7b80\u5355\u51e0\u4e4e\u4e0d\u9700\u8981\u5bf9\u6bcf\u4e2a\u53d8\u91cf\u8fdb\u884c\u7533\u660e\u3002\u6ca1\u6709\u50cfC\/C++ \u4e3a\u4e86\u5b57\u7b26\uff0c\u5b57\u7b26\u4e32\u7ea0\u7ed3\u5f88\u591a\uff0c\u4e0d\u8fc7\u5bf9\u4e8e\u5217\u8868\uff0c\u5143\u7ec4\uff0c\u5b57\u5178\u8fd8\u662f\u9700\u8981\u597d\u597d\u638c\u63e1\u3002<br \/>\n-\u53d8\u91cf\u7684\u7c7b\u578b\uff1a<br \/>\n1\uff09\u6570\u5b57\u7c7b\u578b\uff1a \u6570\u5b57\u800c\u5df2 01 23 -35<br \/>\n2\uff09\u5e03\u5c14\u7c7b\u578b\uff1a True \u8868\u793a1 False \u8868\u793a 0<br \/>\n3\uff09\u5b57\u7b26\u4e32\u7c7b\u578b\uff1aPython\u4e2d\u7684\u5b57\u7b26\u4e32\u88ab\u5b9a\u4e49\u4e3a\u4e00\u4e2a\u5b57\u7b26\u96c6\u5408\uff0c\u7c7b\u4f3c\u6570\u7ec4\u5427\uff0c\u5b83\u88ab\u5f15\u53f7\u5305\u542b\u53ef\u4ee5\u662f\u5355\u5f15\u53f7\u4e5f\u53ef\u4ee5\u662f\u53cc\u5f15\u53f7\uff0c\u7b2c\u4e00\u4e2a\u7d22\u5f15\u662f0\uff0c\u7b2c\u4e8c\u4e2a\u662f1\uff0c\u4f9d\u6b21\u7c7b\u63a8\u611f\u89c9\u5b66Python\u7684\u5b57\u7b26\u4e32\u8d85\u7b80\u5355<\/p>\n<pre class=\"line-numbers\"><code class=\"language-markup\">#\u6bd4\u8f83\u4e60\u60ef\u53cc\u5f15\u53f7\nstring_one = \"helloword\"\nprint(string_one[0])\n#\u7ed3\u679c\u6253\u5370 h<\/code><\/pre>\n<p>4\uff09\u5217\u8868\u548c\u5143\u7ec4\u7c7b\u578b\uff1a<br \/>\n\u5217\u8868\u548c\u5143\u7ec4\u6700\u5bb9\u6613\u5f04\u6df7\u7684\u5730\u65b9\u5728\u4e8e\u62ec\u53f7\uff0c\u4e00\u5f00\u59cb\u5b66\u7ecf\u5e38\u5f04\u9519\u4f46\u662f\u719f\u7ec3\u57fa\u672c\u5f88\u597d\u7406\u89e3\u3002\u5217\u8868\u4f7f\u7528\u7684\u4e2d\u62ec\u53f7[]\u800c\u5143\u7ec4\u4f7f\u7528\u7684\u662f\u5c0f\u62ec\u53f7()\u3002<\/p>\n<p>&nbsp;<\/p>\n<pre class=\"line-numbers\"><code class=\"language-markup\">#\u5217\u8868\u4f7f\u7528\u7684\u662f\u4e2d\u62ec\u53f7\nlist_name = [1,2,3,\"name\"]\n#\u5143\u7ec4\u662f\u662f\u4f7f\u7528\u7684\u5c0f\u62ec\u53f7\ntuple_name = (1,2,3,'name')\n#\u4e0d\u8fc7\u4e0d\u50cfC\/C++\u6570\u7ec4\u5fc5\u987b\u662f\u540c\u4e00\u7c7b\u578b\uff0c\u7b80\u76f4\u4e0d\u8981\u592a\u5bb9\u6613<\/code><\/pre>\n<p>\u5143\u7ec4\u548c\u5217\u8868\u7684\u533a\u522b\u9664\u4e86\u62ec\u53f7\u7684\u4e0d\u540c\uff0c\u8fd8\u6709\u5c31\u662f\u5143\u7ec4\u7684\u5185\u5bb9\u662f\u65e0\u6cd5\u4fee\u6539\u7684\uff0c\u8fd9\u4e2a\u548c\u5b57\u7b26\u4e32\u4e00\u6837\uff0c\u5217\u8868\u662f\u53ef\u4ee5\u4fee\u6539\u7684\u3002<br \/>\n5\uff09\u5b57\u5178\u7c7b\u578b\uff1a\u5b57\u5178\u662fPython\u4e2d\u7684\u6620\u5c04\u6570\u636e\u7c7b\u578b\uff0c\u7531\u952e-\u503c\u7ec4\u6210\uff0c\u53ef\u4ee5\u66f4\u597d\u627e\u5230\u6240\u9700\u8981\u7684\u5143\u7d20\u3002\u5b57\u5178\u662f\u4f7f\u7528\u7684\u5927\u62ec\u53f7{} \u952e\u548c\u503c\u4e4b\u95f4\u4f7f\u7528\u5f15\u53f7<\/p>\n<p>&nbsp;<\/p>\n<pre class=\"line-numbers\"><code class=\"language-markup\">dict_name ={\"name\":\"\u5f20\u4e09\",\"age\":18}\nprint(dict_name[\"name\"])\n#\u5207\u8bb0\u952e\u91cc\u9762\u4e00\u5b9a\u8981\u4f7f\u7528\u5f15\u53f7 \u6211\u603b\u662f\u5fd8\u8bb0\n#\u7ed3\u679c\u662f\uff1a \u5f20\u4e09<\/code><\/pre>\n<p>\u4e09\u3001\u6807\u8bc6\u7b26\u548c\u5173\u952e\u5b57<\/p>\n<p>&nbsp;<\/p>\n<p>\u6807\u8bc6\u7b26\uff1aPython\u6807\u8bc6\u7b26\u548c\u5176\u4ed6\u8bed\u8a00\u611f\u89c9\u5dee\u4e0d\u591a\uff1a<br \/>\n1\uff09\u6807\u8bc6\u7b26\u7531\u5b57\u6bcd\u3001\u4e0b\u5212\u7ebf\u548c\u6570\u5b57\u7ec4\u6210\uff0c\u4e14\u4e0d\u80fd\u4ee5\u6570\u5b57\u6253\u5934\u3002<br \/>\n2\uff09Python\u4e2d\u7684\u6807\u8bc6\u7b26\u662f\u533a\u5206\u5927\u5c0f\u5199\u3002<br \/>\n3\uff09Python\u4e2d\u7684\u6807\u8bc6\u7b26\u4e0d\u80fd\u4f7f\u7528\u5173\u952e\u5b57\u3002<br \/>\n\u53e6\u5916\u6709\u51e0\u70b9\u5efa\u8bae\u6211\u89c9\u5f97\u8fd8\u662f\u633a\u633a\u91cd\u8981\u7684\uff1a1\u3001\u89c1\u540d\u77e5\u610f2\u3001\u7c7b\u540d\u9996\u5b57\u6bcd\u5927\u5199(CapWorld)\uff0c\u6a21\u5757\u540d\u5e94\u8be5\u7528\u5c0f\u5199\u52a0\u4e0b\u5212\u7ebf\u7684\u65b9\u5f0f\u5982\uff08low_with_under\uff09<br \/>\n\u5173\u952e\u5b57\uff1a\u63a5\u89e6\u591a\u4e86\u81ea\u7136\u5c31\u80cc\u4e0b\u6765\u4e86<\/p>\n<pre class=\"line-numbers\"><code class=\"language-markup\">False \t\t\t\tdef \t\t\t\tif \t\t\t\traise\nNone \t\t\t\tdel \t\t\t\timport \t\t\treturn\nTrue\t\t\t\telif\t\t\t\tin\t\t\t\ttry\nand \t\t\t\telse\t\t\t\tis \t\t\t\twhile\nas\t\t\t\t\texcept\t\t\t\tlambda\t\t\twith\nassert\t\t\t\tfinally\t\t\t\tnonlocal\t\tyield\t\t\nbreak\t\t\t\tfor\t\t\t\t\tnot\t\t\nclass\t\t\t\tfrom\t\t\t\tor\ncontinue\t\t\tglobal\t\t\t\tpass<\/code><\/pre>\n<p>\u56db\u3001\u7b80\u5355\u6570\u503c\u7c7b\u578b<\/p>\n<p>\u6574\u578b\uff1a\u6574\u6570\u7c7b\u578b\u8868\u793a\u6574\u6570\u3002\u6574\u578b\u56db\u79cd\u65b9\u5f0f \u5341\u8fdb\u5236\uff0c\u4e8c\u8fdb\u5236\uff08\u201c0B\u201d\u540e\u8005\u201c0b\u201d\u5f00\u5934\uff09\u516b\u8fdb\u5236\uff08\u4ee5\u6570\u5b57\u201c0\u201d\u5f00\u5934\uff09\u548c\u5341\u516d\u8fdb\u5236\uff08\u4ee5\u201coX\u201d\u6216\u201c0x\u201d\u5f00\u5934\uff09\u5176\u4ed6\u4f3c\u4e4e\u548cC\u8bed\u8a00\u7c7b\u4f3c\u3002<br \/>\n\u6d6e\u70b9\u578b\uff1a\u8868\u793a\u5c0f\u6570\u7528float\u8868\u793a\u5728C\/C++\u8fd8\u6709\u4e2adouble\uff0c\u4f46\u662fPyhon\u7684\u6d6e\u70b9\u578b\u76f4\u63a5\u5360\u4e868\u4e2a\u5b57\u8282\u3002\u8868\u793a\u65b9\u5f0f<br \/>\n&lt;\u5b9e\u6570&gt;E\u540e\u8005e&lt;\u6574\u6570&gt;\u4f8b\u5982\uff1a1.34E3\u8868\u793a1.34*103<br \/>\n\u5e03\u5c14\u7c7b\u578b\uff1a\u5176\u5b9e\u5c31\u662f0\u548c1 \u7528True\u548cFalse\u8868\u793a\uff0c\u53ea\u8981\u662f0\u6216\u8005\u7a7a\u6216\u8005none\u90fd\u8868\u793aFalse\u3002<br \/>\n\u590d\u6570\u7c7b\u578b\uff1a\u611f\u89c9\u5728C\/C++\u5f53\u4e2d\u89c1\u7684\u5c11\uff0c\u6709\u4e24\u4e2a\u7279\u70b9\uff1a<br \/>\n1\uff09\u590d\u6570\u7531\u5b9e\u6570\u90e8\u5206\u548c\u865a\u6570\u90e8\u5206\u7ec4\u6210\uff0c\u8868\u793areal+imagj\u6216real+imagJ<br \/>\n2\uff09\u590d\u6570\u7684\u5b9e\u6570\u90e8\u5206real\u548c\u865a\u6570\u90e8\u5206imag\u90fd\u662f\u6d6e\u70b9\u578b\u3002<br \/>\n\u6570\u5b57\u7c7b\u578b\u8f6c\u6362\uff1a\u611f\u89c9\u5e94\u8be5\u5c31\u662f\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\uff01\u4e3e\u4e2a\u6817\u5b50\uff1a<\/p>\n<pre class=\"line-numbers\"><code class=\"language-markup\">a = 1.2\nint(a) #\u628a\u6d6e\u70b9\u7c7b\u578b\u8f6c\u6362\u6210\u6574\u578b\nprint(a)\n#\u7ed3\u679c\u662f\uff1a1<\/code><\/pre>\n<p>\u7b97\u672f\u8fd0\u7b97\u7b26\uff1a\u5927\u90e8\u5206\u548cC\/C++\u5dee\u4e0d\u591a\u8fd9\u91cc\u5c31\u8bf4\u51e0\u4e2a\u4e0d\u4e00\u6837\u7684\uff1a<br \/>\n1\uff09\/ \u9664\u6cd5 \u4f46\u662f\u6574\u6570\u76f8\u9664\u4f1a\u5f97\u5230\u5c0f\u6570<br \/>\n2\uff09** \u8fd4\u56dea\u7684b\u6b21\u5e42<br \/>\n3\uff09\/\/ \u53d6\u6574\u6570<br \/>\n\u611f\u89c9\u5c31\u8fd9\u4e09\u4e2a\u4e0d\u4e00\u6837\u628a\uff01?<\/p>\n<pre class=\"line-numbers\"><code class=\"language-markup\">a = 10\nb = 4\nc = a**b\nprint(c)\nc = a \/ b\nprint(c)\nc = a \/\/ b\nprint(c)\n'''\u7ed3\u679c\u662f\n10000\n2.5\n2\n'''<\/code><\/pre>\n<p>\u8d4b\u503c\u8fd0\u7b97\u7b26\uff1a\u4e00\u4e2a=\u4e3a\u8d4b\u503c\uff0c\u4e24\u4e2a\u7b49\u4e8e==\u8868\u793a\u7b49\u4e8e \u5176\u4ed6\u90fd\u5dee\u4e0d\u591a<br \/>\n\u9017\u53f7\u8fd0\u7b97\u7b26\u5f88\u5947\u5999\u7279\u522b\u662f\u4ea4\u6362\u4e24\u4e2a\u6570\u3002\u4ee5\u524d\u4ea4\u6362\u4e24\u4e2a\u4e0d\u4f7f\u7528\u7b2c\u4e09\u4e2a\u53d8\u91cf\uff0c\u7528\u52a0\u53f7\u6216\u8005\u5f02\u6216\u4f46\u662fPyhon\u771f\u662f\u8d85\u7b80\u5355\uff1a<\/p>\n<pre class=\"line-numbers\"><code class=\"language-markup\">#\u4ea4\u6362\u4e24\u4e2a\u6570\na = 10\nb = 20\na,b = b,a\nprint(\"a=%d,b=%d\"%(a,b))\n#\u7ed3\u679c: a=20 b=10<\/code><\/pre>\n<p>Python\u4e0d\u652f\u6301C\u8bed\u8a00\u91cc\u9762\u7684\u81ea\u589e\uff08++\uff09\u548c\u81ea\u51cf\uff08- -\uff09<br \/>\n8. \u7b26\u5408\u8fd0\u7b97\u7b26\uff1a\u9664\u4e86\u56db\u5219\u8fd0\u7b97\u7b26\u7684\u4e0d\u540c\u5176\u4ed6\u90fd\u4e00\u6837<br \/>\n9. \u6bd4\u8f83\u8fd0\u7b97\u7b26\uff1a\u4e5f\u5dee\u4e0d\u591a<br \/>\n10. \u903b\u8f91\u8fd0\u7b97\u7b26\uff1aC\/C++\u662f\u7b26\u53f7 \u8fd9\u91cc\u662f== and or not==\u8868\u793a\u4e0e\u6216\u975e\u4f46\u662f\u5927\u81f4\u610f\u601d\u4e00\u6837\u3002<br \/>\n11. \u6210\u5458\u8fd0\u7b97\u7b26\uff1a\u8fd9\u4e2a\u4f3c\u4e4e\u662fC\/C++\u6ca1\u6709\u7684 in\u8868\u793a\u5728\u5e8f\u5217\u5219\u8fd4\u56deTrue not in\u8868\u793a\u4e0d\u518d\u5e8f\u5217\u8fd4\u56deTrue\u30021\u52a0\u5230100\u4e5f\u8d85\u7b80\u5355<\/p>\n<pre class=\"line-numbers\"><code class=\"language-markup\">sum = 0\nfor i in range(101):\nsum = sum + i\nprint(sum)\n#\u7ed3\u679c\uff1a 5050<\/code><\/pre>\n<p>12.\u8fd0\u7b97\u4f18\u5148\u7ea7\uff1a\u5927\u81f4\u4e86\u89e3\u4e0b\uff0c\u5fc5\u8981\u7684\u65f6\u5019\u591a\u6253\u51e0\u4e2a\u62ec\u53f7\u5c31\u884c\u4e86\uff01\uff01\uff01?<br \/>\n\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014<br \/>\n\u7248\u6743\u58f0\u660e\uff1a\u672c\u6587\u4e3aCSDN\u535a\u4e3b\u300c\u83e0\u841d\u5927\u5e08\u300d\u7684\u539f\u521b\u6587\u7ae0\uff0c\u9075\u5faaCC 4.0 BY-SA\u7248\u6743\u534f\u8bae\uff0c\u8f6c\u8f7d\u8bf7\u9644\u4e0a\u539f\u6587\u51fa\u5904\u94fe\u63a5\u53ca\u672c\u58f0\u660e\u3002<br \/>\n\u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/blog.csdn.net\/xhb29\/article\/details\/85222305<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b2c2\u7ae0 python\u57fa\u7840\u8bed\u6cd5 \u4e00\u3001\u57fa\u672c\u8bed\u6cd5 \u4e8c\u3001\u53d8\u91cf\u548c\u6570\u636e\u7c7b\u578b \u4e09\u3001\u6807\u8bc6\u7b26\u548c\u5173\u952e\u5b57 \u56db\u3001\u7b80\u5355\u6570\u503c\u7c7b\u578b \u4e00\u3001\u57fa\u672c&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[24],"class_list":["post-311","post","type-post","status-publish","format-standard","hentry","category-py0","tag-python"],"_links":{"self":[{"href":"http:\/\/www.vvipblog.com\/index.php?rest_route=\/wp\/v2\/posts\/311","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.vvipblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.vvipblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.vvipblog.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.vvipblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=311"}],"version-history":[{"count":0,"href":"http:\/\/www.vvipblog.com\/index.php?rest_route=\/wp\/v2\/posts\/311\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.vvipblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=311"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.vvipblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=311"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.vvipblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=311"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}