{"id":49675,"date":"2023-08-20T21:46:04","date_gmt":"2023-08-20T13:46:04","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=49675"},"modified":"2023-08-20T21:46:06","modified_gmt":"2023-08-20T13:46:06","slug":"python%e8%af%ad%e5%8f%a5%e4%b8%adwhile%e5%92%8cfor%e5%be%aa%e7%8e%af%e7%9a%84%e5%8c%ba%e5%88%ab%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/49675.html","title":{"rendered":"python\u8bed\u53e5\u4e2dwhile\u548cfor\u5faa\u73af\u7684\u533a\u522b\u662f\u4ec0\u4e48"},"content":{"rendered":"\n
\n

Python\u4e2d\u7684while<\/code>\u5faa\u73af\u548cfor<\/code>\u5faa\u73af\u90fd\u662f\u7528\u4e8e\u91cd\u590d\u6267\u884c\u4ee3\u7801\u5757\u7684\u63a7\u5236\u7ed3\u6784\uff0c\u4f46\u5b83\u4eec\u7684\u5de5\u4f5c\u65b9\u5f0f\u6709\u6240\u4e0d\u540c\u30021\u3001while\u5faa\u73af<\/strong>\u6839\u636e\u4e00\u4e2a\u6761\u4ef6\u6765\u63a7\u5236\u5faa\u73af\u7684\u6267\u884c\uff0c\u53ea\u8981\u6761\u4ef6\u4e3a\u771f\uff0c\u5faa\u73af\u5c31\u4f1a\u7ee7\u7eed\u6267\u884c\uff1b2\u3001for\u5faa\u73af<\/strong>\u5219\u662f\u5bf9\u5e8f\u5217\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u6267\u884c\u4e00\u6b21\u5faa\u73af\u4f53\uff0c\u901a\u5e38\u4e0erange()<\/code>\u6216\u8fed\u4ee3\u5bf9\u8c61\u4e00\u8d77\u4f7f\u7528\u3002\u4ee5\u4e0b\u662f\u5b83\u4eec\u7684\u4e3b\u8981\u533a\u522b\uff1awhile\u5faa\u73af\u66f4\u9002\u5408\u5f53\u4f60\u4e0d\u77e5\u9053\u5faa\u73af\u6b21\u6570\u7684\u60c5\u51b5\uff0c\u800cfor\u5faa\u73af\u66f4\u9002\u5408\u904d\u5386\u5e8f\u5217\u6216\u77e5\u9053\u5faa\u73af\u6b21\u6570\u7684\u60c5\u51b5\u3002<\/p>\n<\/blockquote>\n\n\n

\n
\"\"<\/figure><\/div>\n\n\n

\u4e00\u3001while\u5faa\u73af<\/h2>\n\n\n\n

while<\/code>\u5faa\u73af\u4e3b\u8981\u7528\u4e8e\u5728\u67d0\u4e2a\u6761\u4ef6\u4e3a\u771f\u7684\u60c5\u51b5\u4e0b\u91cd\u590d\u6267\u884c\u4ee3\u7801\u5757\u3002<\/p>\n\n\n\n

    \n
  • \u8bed\u6cd5\u7ed3\u6784<\/strong>\uff1a while \u6761\u4ef6:<\/code><\/li>\n\n\n\n
  • \u5e94\u7528\u573a\u666f<\/strong>\uff1a\u5f53\u4f60\u4e0d\u786e\u5b9a\u5faa\u73af\u9700\u8981\u6267\u884c\u591a\u5c11\u6b21\u65f6\uff0c\u4f8b\u5982\u5f53\u9700\u8981\u7b49\u5f85\u67d0\u4e2a\u6761\u4ef6\u6ee1\u8db3\u65f6\u3002<\/li>\n<\/ul>\n\n\n\n

    \u4e8c\u3001for\u5faa\u73af<\/h2>\n\n\n\n

    for<\/code>\u5faa\u73af\u4e3b\u8981\u7528\u4e8e\u904d\u5386\u5e8f\u5217\uff0c\u5982\u5217\u8868\u3001\u5143\u7ec4\u3001\u5b57\u7b26\u4e32\u7b49\uff0c\u6216\u4e0erange()<\/code>\u4e00\u8d77\u4f7f\u7528\u6765\u63a7\u5236\u5faa\u73af\u7684\u6b21\u6570\u3002<\/p>\n\n\n\n

      \n
    • \u8bed\u6cd5\u7ed3\u6784<\/strong>\uff1a for \u53d8\u91cf in \u5e8f\u5217:<\/code><\/li>\n\n\n\n
    • \u5e94\u7528\u573a\u666f<\/strong>\uff1a\u5f53\u4f60\u60f3\u5bf9\u4e00\u4e2a\u5e8f\u5217\u7684\u6bcf\u4e2a\u5143\u7d20\u6267\u884c\u76f8\u540c\u64cd\u4f5c\uff0c\u6216\u8005\u4f60\u77e5\u9053\u5faa\u73af\u7684\u786e\u5207\u6b21\u6570\u65f6\u3002<\/li>\n<\/ul>\n\n\n\n

      \u4e09\u3001\u533a\u522b\u6c47\u603b<\/strong><\/h2>\n\n\n\n
        \n
      1. \u63a7\u5236\u65b9\u5f0f<\/strong>\uff1awhile\u5faa\u73af\u901a\u8fc7\u4e00\u4e2a\u5e03\u5c14\u6761\u4ef6\u63a7\u5236\uff0cfor\u5faa\u73af\u901a\u8fc7\u904d\u5386\u5e8f\u5217\u63a7\u5236\u3002<\/li>\n\n\n\n
      2. \u9002\u7528\u60c5\u51b5<\/strong>\uff1awhile\u5faa\u73af\u66f4\u9002\u5408\u4e0d\u786e\u5b9a\u5faa\u73af\u6b21\u6570\u7684\u60c5\u51b5\uff0cfor\u5faa\u73af\u66f4\u9002\u5408\u5df2\u77e5\u6b21\u6570\u6216\u904d\u5386\u5e8f\u5217\u7684\u60c5\u51b5\u3002<\/li>\n\n\n\n
      3. \u6613\u7528\u6027<\/strong>\uff1afor\u5faa\u73af\u901a\u5e38\u66f4\u7b80\u6d01\uff0c\u7279\u522b\u662f\u5728\u904d\u5386\u5e8f\u5217\u65f6\u3002<\/li>\n<\/ol>\n\n\n\n
        \n\n\n\n

        \u5e38\u89c1\u95ee\u7b54<\/strong><\/h2>\n\n\n\n
          \n
        • Q1:\u5728Python\u4e2d\u5982\u4f55\u4f7f\u7528for\u5faa\u73af\u5b9e\u73b0while\u5faa\u73af\u7684\u529f\u80fd?<\/strong> <\/li>\n\n\n\n
        • A1:\u4f60\u53ef\u4ee5\u4f7f\u7528for<\/code>\u5faa\u73af\u4e0erange()<\/code>\u7ed3\u5408\uff0c\u5e76\u901a\u8fc7\u6761\u4ef6\u5224\u65ad\u6765\u6a21\u62dfwhile<\/code>\u5faa\u73af\u3002<\/li>\n\n\n\n
        • Q2:while\u5faa\u73af\u6709\u53ef\u80fd\u6210\u4e3a\u65e0\u9650\u5faa\u73af\u5417?<\/strong> <\/li>\n\n\n\n
        • A2:\u662f\u7684\uff0c\u5982\u679cwhile<\/code>\u5faa\u73af\u7684\u6761\u4ef6\u59cb\u7ec8\u4e3a\u771f\uff0c\u5c06\u5bfc\u81f4\u65e0\u9650\u5faa\u73af\u3002<\/li>\n\n\n\n
        • Q3:for\u5faa\u73af\u80fd\u5426\u7528\u4e8e\u65e0\u9650\u5faa\u73af?<\/strong> <\/li>\n\n\n\n
        • A3:\u901a\u8fc7\u4f7f\u7528\u5982for _ in itertools.count():<\/code>\u8fd9\u6837\u7684\u7ed3\u6784\uff0cfor\u5faa\u73af\u4e5f\u53ef\u4ee5\u5b9e\u73b0\u65e0\u9650\u5faa\u73af\u3002<\/li>\n\n\n\n
        • Q4:\u54ea\u79cd\u5faa\u73af\u66f4\u9ad8\u6548?<\/strong> <\/li>\n\n\n\n
        • A4:\u5faa\u73af\u7684\u6548\u7387\u53d6\u51b3\u4e8e\u5177\u4f53\u7528\u6cd5\u548c\u573a\u666f\uff0c\u800c\u4e0d\u662f\u5faa\u73af\u7c7b\u578b\u3002<\/li>\n\n\n\n
        • Q5:\u53ef\u4ee5\u5728for\u5faa\u73af\u4e2d\u4f7f\u7528break\u548ccontinue\u5417?<\/strong> <\/li>\n\n\n\n
        • A5:\u662f\u7684\uff0cbreak<\/code>\u548ccontinue<\/code>\u53ef\u4ee5\u5728for<\/code>\u548cwhile<\/code>\u5faa\u73af\u4e2d\u4f7f\u7528\u6765\u63a7\u5236\u5faa\u73af\u7684\u6d41\u7a0b\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"Python\u4e2d\u7684while\u5faa\u73af\u548cfor\u5faa\u73af\u90fd\u662f\u7528\u4e8e\u91cd\u590d\u6267\u884c\u4ee3\u7801\u5757\u7684\u63a7\u5236\u7ed3\u6784\uff0c\u4f46\u5b83\u4eec\u7684\u5de5\u4f5c\u65b9\u5f0f\u6709\u6240\u4e0d\u540c\u30021\u3001wh […]","protected":false},"author":6,"featured_media":49676,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[1558,1559,1560,1561,1562,399,363],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/49675"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=49675"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/49675\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/49676"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=49675"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=49675"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=49675"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}