{"rsdb":{"rid":"372440","subhead":"","postdate":"0","aid":"261445","fid":"77","uid":"1","topic":"1","content":"<div id=\"cnblogs_post_body\" class=\"blogpost-body cnblogs-markdown\"> \n <div class=\"toc\"> \n  <p class=\"toc-title\">\u76ee\u5f55<\/p> \n  <div class=\"toc-list\"> \n   <ul> \n    <li><a>1. \u5206\u652f\u7ed3\u6784<\/a>\n     <ul> \n      <li><a>1.1 \u521d\u6b65\u4ecb\u7ecd<\/a><\/li> \n      <li><a>1.2 \u4f7f\u7528\u6848\u4f8b<\/a><\/li> \n      <li><a>1.3 \u7ec3\u4e60<\/a><\/li> \n     <\/ul><\/li> \n    <li><a>2.\u5faa\u73af\u7ed3\u6784<\/a>\n     <ul> \n      <li><a>1.1 \u521d\u6b65\u4ecb\u7ecd<\/a><\/li> \n      <li><a>1.2 \u4f7f\u7528\u6848\u4f8b<\/a><\/li> \n     <\/ul><\/li> \n   <\/ul> \n  <\/div> \n <\/div> \n <h2 id=\"\u5206\u652f\u7ed3\u6784\">1. \u5206\u652f\u7ed3\u6784<\/h2> \n <h3 id=\"\u521d\u6b65\u4ecb\u7ecd\">1.1 \u521d\u6b65\u4ecb\u7ecd<\/h3> \n <p>\u81f3\u4eca\uff0c\u6211\u4eec\u6240\u5199\u7684Python\u4ee3\u7801\u90fd\u662f\u987a\u5e8f\u6267\u884c\uff0c\u4f46\u662f\u6709\u65f6\u5019\u5728\u4ee3\u7801\u4e2d\u662f\u9700\u8981\u8fdb\u884c\u903b\u8f91\u5224\u65ad\u7684\uff0c\u6bd4\u5982\u7528\u6237 \u8f93\u5165\u7528\u6237\u540d\u548c\u5bc6\u7801\uff0c\u8f93\u5165\u6b63\u786e\u5219\u9a8c\u8bc1\u901a\u8fc7\uff0c\u5426\u5219\u5373\u9a8c\u8bc1\u5931\u8d25\u3002\u8fd9\u4e2a\u65f6\u5019\u5c31\u4f1a\u4ea7\u751f\u4e24\u4e2a\u5206\u652f\uff0c\u800c\u4e14\u4e24\u4e2a\u5206\u652f\u53ea\u4f1a\u6709\u4e00\u6761\u5206\u652f\u4f1a\u8d70\u4e0b\u53bb\u3002\u5f53\u7136\uff0c\u8fd8\u6709\u5f88\u591a\u7c7b\u4f3c\u7684\u573a\u666f\uff0c\u6211\u4eec\u5c06\u8fd9\u79cd\u7ed3\u679c\u79f0\u4e3a &quot;\u5206\u652f\u7ed3\u6784&quot; \u6216 \u201c\u9009\u62e9\u7ed3\u6784\u201d\u3002<\/p> \n <p><strong>\u8bed\u6cd5\u683c\u5f0f\uff1a<\/strong><\/p> \n <pre class=\"python\"><code>    if xxx1:\n        \u4e8b\u60c51\n    elif xxx2:\n        \u4e8b\u60c52\n    elif xxx3:\n        \u4e8b\u60c53\n    else:\n        \u4e8b\u60c54<\/code><\/pre> \n <p>&nbsp;&nbsp;<\/p> \n <h3 id=\"\u4f7f\u7528\u6848\u4f8b\">1.2 \u4f7f\u7528\u6848\u4f8b<\/h3> \n <p><strong>1\u3001\u7528\u6237\u8eab\u4efd\u9a8c\u8bc1<\/strong><\/p> \n <pre class=\"python\"><code># -*- coding:utf-8 -*-\n&quot;&quot;&quot;\n\u7528\u6237\u8eab\u4efd\u9a8c\u8bc1\nversion: 0.1\nauthor: coke\n&quot;&quot;&quot;\nusername = input(&quot;\u8bf7\u8f93\u5165\u7528\u6237\u540d\uff1a&quot;)\npassword = input(&quot;\u8bf7\u8f93\u5165\u5bc6\u7801\uff1a&quot;)\nif username == 'admin' and password == '123456':\n    print(&quot;\u8eab\u4efd\u9a8c\u8bc1\u6210\u529f&quot;)\nelse:\n    print(&quot;\u8eab\u4efd\u9a8c\u8bc1\u5931\u8d25&quot;)<\/code><\/pre> \n <p><strong>\u8f93\u51fa\u7ed3\u679c<\/strong><br \/> <img src=\"https:\/\/img2018.cnblogs.com\/blog\/1348730\/201909\/1348730-20190918182939636-1734496832.png\" \/><\/p> \n <p>&nbsp;<\/p> \n <p><strong>2\u3001\u5206\u6bb5\u51fd\u6570\u6c42\u503c<\/strong><\/p> \n <pre class=\"python\"><code>&quot;&quot;&quot;\n\u5206\u6bb5\u51fd\u6570\u6c42\u503c\n       3x - 5 (x &gt; 1)\nf(x) = x + 2 (-1 &lt; x &lt; 1)\n       5x + 3 (x &lt;= -1)\nversion: 0.1\nAuthor: coke\n&quot;&quot;&quot;\nx = float(input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57:&quot;))\nif x &gt; 1:\n    y = 3 * x - 5\nelif x &gt; -1 and x &lt; 1:\n    y = x + 2\nelse:\n    y = 5 * x +3\nprint(&quot;f(%.2f)=%.2f&quot;%(x,y))<\/code><\/pre> \n <p><strong>\u8f93\u51fa\u7ed3\u679c<\/strong><\/p> \n <p><img src=\"https:\/\/img2018.cnblogs.com\/blog\/1348730\/201909\/1348730-20190918182954351-1562407050.png\" \/><\/p> \n <p>&nbsp;<\/p> \n <h3 id=\"\u7ec3\u4e60\">1.3 \u7ec3\u4e60<\/h3> \n <p><strong>1\u3001\u731c\u62f3\u6e38\u620f<\/strong><\/p> \n <pre class=\"python\"><code># -*- coding:utf-8 -*-\n&quot;&quot;&quot;\n\u731c\u62f3\u6e38\u620f\nversion: 0.1\nauthor: coke\n&quot;&quot;&quot;\nimport random\nnum = int(input(&quot;\u526a\u5200\uff080\uff09 \u77f3\u5934\uff081\uff09 \u5e03\uff082\uff09:&quot;))\ncomputer = random.randint(0,2)\nprint(&quot;\u7535\u8111\u51fa\u62f3\uff1a%d&quot;%computer)\n\nif (num == 0 and computer == 2) or (num == 1 and computer == 0) or (num == 2 and computer == 1):\n    print(&quot;\u54c8\u54c8\uff0c\u4f60\u8d62\u4e86&quot;)\nelif  num == computer:\n    print(&quot;\u5e73\u5c40\uff0c\u8981\u4e0d\u8981\u518d\u6765\u4e00\u5c40&quot;)\nelse:\n    print(&quot;\u6d17\u6d17\u624b\uff0c\u51b3\u6218\u90fd\u5929\u4eae&quot;)\n<\/code><\/pre> \n <p>&nbsp;<\/p> \n <p><strong>2\u3001\u6210\u7ee9\u7b49\u7ea7\u8f6c\u6362<\/strong><\/p> \n <pre class=\"python\"><code>&quot;&quot;&quot;\n\u767e\u5206\u5236\u6210\u7ee9\u8f6c\u7b49\u7ea7\u5236\u6210\u7ee9\n90\u5206\u4ee5\u4e0a    --&gt; A\n80\u5206~89\u5206    --&gt; B\n70\u5206~79\u5206    --&gt; C\n60\u5206~69\u5206    --&gt; D\n60\u5206\u4ee5\u4e0b    --&gt; E\n\nVersion: 0.1\nAuthor: coke\n&quot;&quot;&quot;\n\nscore = float(input('\u8bf7\u8f93\u5165\u6210\u7ee9: '))\nif score &gt;= 90:\n    grade = 'A'\nelif score &gt;= 80:\n    grade = 'B'\nelif score &gt;= 70:\n    grade = 'C'\nelif score &gt;= 60:\n    grade = 'D'\nelse:\n    grade = 'E'\nprint('\u5bf9\u5e94\u7684\u7b49\u7ea7\u662f:', grade)<\/code><\/pre> \n <p>&nbsp;<\/p> \n <h2 id=\"\u5faa\u73af\u7ed3\u6784\">2.\u5faa\u73af\u7ed3\u6784<\/h2> \n <h3 id=\"\u521d\u6b65\u4ecb\u7ecd-1\">1.1 \u521d\u6b65\u4ecb\u7ecd<\/h3> \n <p>\u5982\u679c\u5728\u7a0b\u5e8f\u4e2d\u6211\u4eec\u5c06\u6267\u884c\u4e00\u7cfb\u5217\u7684\u91cd\u590d\u6307\u4ee4\uff0c\u6bd4\u5982\u6211\u60f3\u8ba1\u7b971 - 100\u7684\u548c \u6216\u8005 \u6211\u60f3\u8f93\u51fa99\u6b21 helloWorld\uff0c\u96be\u9053\u8981\u4e00\u4e2a\u4e2a\u53bb\u5199\u4e48\uff0c\u5982\u679c\u771f\u662f\u8fd9\u6837\uff0c\u90a3\u4e48\u7f16\u7a0b\u7684\u5de5\u4f5c\u5c31\u592a\u4e0d\u5408\u7406\u4e86\uff0c\u6240\u4ee5\uff0c\u6211\u4eec\u8fd8\u9700\u8981\u4e86\u89e3\u4e00\u4e0b\u5faa\u73af\u7ed3\u6784\uff0c\u5982\u679c\u6211\u4eec\u5b66\u4f1a\u4e86\u5faa\u73af\u7ed3\u6784\uff0c\u5c31\u53ef\u4ee5\u91cd\u590d\u7684\u6267\u884c\u67d0\u4e9b\u64cd\u4f5c\u6307\u4ee4\u3002<\/p> \n <p>\u5728Python\u4e2d\u6784\u9020\u5faa\u73af\u7ed3\u6784\u6709\u4e24\u79cd\u505a\u6cd5\uff0c\u4e00\u79cd\u662f<code>for-in<\/code>\u5faa\u73af\uff0c\u4e00\u79cd\u662f<code>while<\/code>\u5faa\u73af\u3002<\/p> \n <p><strong>for - in \u5faa\u73af<\/strong><\/p> \n <p>\u5982\u679c\u6211\u4eec\u53ef\u4ee5\u77e5\u9053\u5faa\u73af\u7684\u6b21\u6570\u6216\u8005\u662f\u5bf9\u5bb9\u5668\u7684\u8fed\u4ee3\uff08\u5bb9\u5668\u540e\u9762\u4f1a\u6d89\u53ca\uff09\uff0c\u6211\u4eec\u4f1a\u63a8\u8350for-in\u5faa\u73af<\/p> \n <pre><code>for \u4e34\u65f6\u53d8\u91cf in \u5217\u8868\u6216\u8005\u5b57\u7b26\u4e32\u7b49:\n        \u5faa\u73af\u6ee1\u8db3\u6761\u4ef6\u65f6\u6267\u884c\u7684\u4ee3\u7801<\/code><\/pre> \n <p>&nbsp;<\/p> \n <p><strong>while \u5faa\u73af<\/strong><\/p> \n <p>\u5982\u679c\u8981\u6784\u9020\u4e0d\u77e5\u9053\u5177\u4f53\u5faa\u73af\u6b21\u6570\u7684\u5faa\u73af\u7ed3\u6784\uff0c\u6211\u4eec\u63a8\u8350\u4f7f\u7528<code>while<\/code>\u5faa\u73af\u3002<code>while<\/code>\u5faa\u73af\u901a\u8fc7\u4e00\u4e2a\u80fd\u591f\u4ea7\u751f\u6216\u8f6c\u6362\u51fa<code>bool<\/code>\u503c\u7684\u8868\u8fbe\u5f0f\u6765\u63a7\u5236\u5faa\u73af\uff0c\u8868\u8fbe\u5f0f\u7684\u503c\u4e3a<code>True<\/code>\u5faa\u73af\u7ee7\u7eed\uff0c\u8868\u8fbe\u5f0f\u7684\u503c\u4e3a<code>False<\/code>\u5faa\u73af\u7ed3\u675f\u3002<\/p> \n <pre><code>while \u6761\u4ef6:\n        \u6761\u4ef6\u6ee1\u8db3\u65f6\uff0c\u505a\u7684\u4e8b\u60c51\n        \u6761\u4ef6\u6ee1\u8db3\u65f6\uff0c\u505a\u7684\u4e8b\u60c52\n        \u6761\u4ef6\u6ee1\u8db3\u65f6\uff0c\u505a\u7684\u4e8b\u60c53\n        ...(\u7701\u7565)...<\/code><\/pre> \n <p>&nbsp;<\/p> \n <p><strong><code>break<\/code>\uff1a\u7ed3\u675f\u5f53\u524d\u5faa\u73af<\/strong><\/p> \n <p><strong><code>continue<\/code>\uff1a\u7528\u6765\u7ed3\u675f\u672c\u6b21\u5faa\u73af\uff0c\u7d27\u63a5\u7740\u6267\u884c\u4e0b\u4e00\u6b21\u7684\u5faa\u73af <\/strong><\/p> \n <p>\u6ce8\uff1a break\/continue\u53ea\u80fd\u7528\u5728\u5faa\u73af\u4e2d\uff0c\u9664\u6b64\u4ee5\u5916\u4e0d\u80fd\u5355\u72ec\u4f7f\u7528<\/p> \n <p>&nbsp;<\/p> \n <h3 id=\"\u4f7f\u7528\u6848\u4f8b-1\">1.2 \u4f7f\u7528\u6848\u4f8b<\/h3> \n <p><strong>1\u3001\u7528for\u5faa\u73af \u8ba1\u7b971-100 \u4e4b\u95f4\u5076\u6570\u7684\u548c<\/strong><\/p> \n <pre class=\"python\"><code>&quot;&quot;&quot;\n\u7528 for\u5faa\u73af\u5b9e\u73b01-100\u4e4b\u95f4\u7684\u6c42\u548c\nversion: 1.0\nAuthor: coke\n&quot;&quot;&quot;\n#-*- coding=utf-8 -*-\nsum = 0\nfor x in range(1,101):\n    if x % 2 == 0:\n        sum += x\nprint(sum)<\/code><\/pre> \n <p><strong>\u8f93\u51fa\u7ed3\u679c<\/strong><\/p> \n <p><img src=\"https:\/\/img2018.cnblogs.com\/blog\/1348730\/201909\/1348730-20190918183058819-462179974.png\" \/><\/p> \n <p>\u9700\u8981\u8bf4\u660e\u7684\u662f\u4e0a\u9762\u4ee3\u7801\u4e2d\u7684<code>range<\/code>\u7c7b\u578b\uff0c<code>range<\/code>\u53ef\u4ee5\u7528\u6765\u4ea7\u751f\u4e00\u4e2a\u4e0d\u53d8\u7684\u6570\u503c\u5e8f\u5217\uff0c\u800c\u4e14\u8fd9\u4e2a\u5e8f\u5217\u901a\u5e38\u90fd\u662f\u7528\u5728\u5faa\u73af\u4e2d\u7684\uff0c\u4f8b\u5982\uff1a<\/p> \n <ul> \n  <li><code>range(101)<\/code>\u53ef\u4ee5\u4ea7\u751f\u4e00\u4e2a0\u5230100\u7684\u6574\u6570\u5e8f\u5217\u3002<\/li> \n  <li><code>range(1, 100)<\/code>\u53ef\u4ee5\u4ea7\u751f\u4e00\u4e2a1\u523099\u7684\u6574\u6570\u5e8f\u5217\u3002<\/li> \n  <li><code>range(1, 100, 2)<\/code>\u53ef\u4ee5\u4ea7\u751f\u4e00\u4e2a1\u523099\u7684\u5947\u6570\u5e8f\u5217\uff0c\u5176\u4e2d\u76842\u662f\u6b65\u957f\uff0c\u5373\u6570\u503c\u5e8f\u5217\u7684\u589e\u91cf<\/li> \n <\/ul> \n <p>&nbsp;<\/p> \n <p><strong>2\u3001\u4e0d\u7528\u5224\u65ad \u8ba1\u7b97 1-100 \u4e4b\u95f4\u5076\u6570\u7684\u548c<\/strong><\/p> \n <pre class=\"python\"><code>&quot;&quot;&quot;\n\u7528 for\u5faa\u73af\u5b9e\u73b01-100\u4e4b\u95f4\u7684\u6c42\u548c\nversion: 1.0\nAuthor: coke\n&quot;&quot;&quot;\n#-*- coding=utf-8 -*-\nsum = 0\nfor x in range(2,101,2):\n    sum += x\nprint(sum)<\/code><\/pre> \n <p>&nbsp;<\/p> \n <p><strong>3\u3001\u731c\u6570\u5b57\u6e38\u620f <\/strong><\/p> \n <pre class=\"python\"><code>&quot;&quot;&quot;\n\u731c\u6570\u5b57\u6e38\u620f\n\u8ba1\u7b97\u673a\u51fa\u4e00\u4e2a 1~100\u4e4b\u95f4\u7684\u968f\u673a\u6570\u7531\u4eba\u731c\n\u8ba1\u7b97\u673a\u5206\u522b\u6839\u636e\u4eba\u731c\u7684\u6570\u5b57\u5206\u522b\u7ed9\u51fa\u63d0\u793a\u5927\u4e00\u70b9\/\u5c0f\u4e00\u70b9\/\u731c\u5bf9\u4e86\nversion: 0.1\nadmin: coke\n&quot;&quot;&quot;\nimport random\nanswer = random.randint(1,100)\ncounter = 0\nwhile True:\n    counter += 1\n    result = int(input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57:&quot;))\n    if answer &gt; result:\n        print(&quot;\u5927\u4e00\u70b9&quot;)\n    elif answer &lt; r","orderid":"0","title":"Python\u96c6\u8bad\u842545\u5929\u2014Day03(\u4e00)","smalltitle":"","mid":"0","fname":"Python","special_id":"0","bak_id":"0","info":"0","hits":"69","pages":"2","comments":"0","posttime":"2019-09-19 11:10:20","list":"1568862620","username":"admin","author":"","copyfrom":"","copyfromurl":"","titlecolor":"","fonttype":"0","titleicon":"0","picurl":"https:\/\/www.cppentry.com\/upload_files\/","ispic":"0","yz":"1","yzer":"","yztime":"0","levels":"0","levelstime":"0","keywords":"<A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=Python' target=_blank>Python<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=%BC%AF%D1%B5' target=_blank>\u96c6\u8bad<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=Day03' target=_blank>Day03<\/A>","jumpurl":"","iframeurl":"","style":"","template":"a:3:{s:4:\"head\";s:0:\"\";s:4:\"foot\";s:0:\"\";s:8:\"bencandy\";s:0:\"\";}","target":"0","ip":"14.17.22.32","lastfid":"0","money":"0","buyuser":"","passwd":"","allowdown":"","allowview":"","editer":"","edittime":"0","begintime":"0","endtime":"0","description":"Python\u96c6\u8bad\u842545\u5929\u2014Day03","lastview":"1713783647","digg_num":"0","digg_time":"0","forbidcomment":"0","ifvote":"0","heart":"","htmlname":"","city_id":"0"},"page":"1"}