{"id":974911,"date":"2024-12-27T06:09:00","date_gmt":"2024-12-26T22:09:00","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/974911.html"},"modified":"2024-12-27T06:09:03","modified_gmt":"2024-12-26T22:09:03","slug":"python%e5%a6%82%e4%bd%95%e7%94%9f%e6%88%90%e9%80%92%e5%a2%9e%e5%ba%8f%e5%88%97","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/974911.html","title":{"rendered":"python\u5982\u4f55\u751f\u6210\u9012\u589e\u5e8f\u5217"},"content":{"rendered":"

\"python\u5982\u4f55\u751f\u6210\u9012\u589e\u5e8f\u5217\"<\/p>\n

\u5728Python\u4e2d\u751f\u6210\u9012\u589e\u5e8f\u5217\u7684\u65b9\u6cd5\u6709\u5f88\u591a\uff0c\u5305\u62ec\u4f7f\u7528range()\u51fd\u6570\u3001\u5217\u8868\u63a8\u5bfc\u5f0f\u3001NumPy\u5e93\u7b49\u3002\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u4f7f\u7528range()\u51fd\u6570\uff0c\u56e0\u4e3a\u5b83\u7b80\u5355\u4e14\u9ad8\u6548\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u8d77\u59cb\u503c\u3001\u7ec8\u6b62\u503c\u548c\u6b65\u957f\u6765\u751f\u6210\u9012\u589e\u5e8f\u5217\u3002\u5bf9\u4e8e\u66f4\u590d\u6742\u7684\u9700\u6c42\uff0c\u5982\u751f\u6210\u6d6e\u70b9\u6570\u5e8f\u5217\uff0c\u53ef\u4ee5\u4f7f\u7528NumPy\u5e93\u3002<\/strong><\/p>\n<\/p>\n

Python\u4e2d\u751f\u6210\u9012\u589e\u5e8f\u5217\u7684\u65b9\u6cd5\u591a\u79cd\u591a\u6837\uff0c\u5404\u6709\u5176\u9002\u7528\u7684\u573a\u666f\u548c\u7279\u70b9\u3002\u63a5\u4e0b\u6765\u6211\u4eec\u5c06\u8be6\u7ec6\u63a2\u8ba8\u51e0\u79cd\u5e38\u7528\u7684\u65b9\u6cd5\u53ca\u5176\u5e94\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528RANGE()\u51fd\u6570\u751f\u6210\u9012\u589e\u5e8f\u5217<\/p>\n<\/p>\n

range()<\/code>\u51fd\u6570\u662fPython\u5185\u7f6e\u7684\u4e00\u4e2a\u51fd\u6570\uff0c\u4e13\u95e8\u7528\u6765\u751f\u6210\u6574\u6570\u5e8f\u5217\u3002\u5b83\u7684\u4f7f\u7528\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u8981\u63d0\u4f9b\u8d77\u59cb\u503c\u3001\u7ec8\u6b62\u503c\u548c\u6b65\u957f\u5373\u53ef\u3002<\/p>\n<\/p>\n

    \n
  1. \n

    \u57fa\u672c\u7528\u6cd5<\/p>\n<\/p>\n

      \n
    • range()<\/code>\u51fd\u6570\u7684\u57fa\u672c\u8bed\u6cd5\u4e3a\uff1arange(start, stop, step)<\/code>\u3002\u5176\u4e2d\uff0cstart<\/code>\u662f\u5e8f\u5217\u7684\u8d77\u59cb\u503c\uff0cstop<\/code>\u662f\u5e8f\u5217\u7684\u7ec8\u6b62\u503c\uff08\u4e0d\u5305\u542b\uff09\uff0cstep<\/code>\u662f\u6b65\u957f\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cstart<\/code>\u4e3a0\uff0cstep<\/code>\u4e3a1\u3002<\/li>\n
    • \u4f8b\u5982\uff0crange(1, 10)<\/code>\u5c06\u751f\u6210\u4e00\u4e2a\u4ece1\u52309\u7684\u6574\u6570\u5e8f\u5217\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \n

      \u7528\u4e8e\u8fed\u4ee3<\/p>\n<\/p>\n

        \n
      • range()<\/code>\u51fd\u6570\u751f\u6210\u7684\u662f\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff0c\u53ef\u4ee5\u7528\u4e8efor\u5faa\u73af\u4e2d\u3002<\/li>\n
      • \u4f8b\u5982\uff1afor i in range(5): print(i)<\/code>\u5c06\u8f93\u51fa0\u52304\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \n

        \u8f6c\u6362\u4e3a\u5217\u8868<\/p>\n<\/p>\n

          \n
        • \u5982\u679c\u9700\u8981\u5c06range()<\/code>\u5bf9\u8c61\u8f6c\u6362\u4e3a\u5217\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528list()<\/code>\u51fd\u6570\u3002<\/li>\n
        • \u4f8b\u5982\uff1alist(range(1, 6))<\/code>\u5c06\u8fd4\u56de[1, 2, 3, 4, 5]<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

          \u4e8c\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u751f\u6210\u9012\u589e\u5e8f\u5217<\/p>\n<\/p>\n

          \u5217\u8868\u63a8\u5bfc\u5f0f\u662fPython\u4e2d\u521b\u5efa\u5217\u8868\u7684\u4e00\u79cd\u7b80\u6d01\u65b9\u5f0f\u3002\u5b83\u53ef\u4ee5\u7528\u6765\u751f\u6210\u5404\u79cd\u590d\u6742\u7684\u5e8f\u5217\uff0c\u5305\u62ec\u9012\u589e\u5e8f\u5217\u3002<\/p>\n<\/p>\n

            \n
          1. \n

            \u57fa\u672c\u7528\u6cd5<\/p>\n<\/p>\n

              \n
            • \u5217\u8868\u63a8\u5bfc\u5f0f\u7684\u57fa\u672c\u8bed\u6cd5\u4e3a\uff1a[expression for item in iterable]<\/code>\u3002<\/li>\n
            • \u4f8b\u5982\uff1a[x for x in range(1, 6)]<\/code>\u5c06\u751f\u6210\u4e00\u4e2a\u4ece1\u52305\u7684\u5217\u8868\u3002<\/li>\n<\/ul>\n<\/li>\n
            • \n

              \u5e26\u6761\u4ef6\u7684\u5217\u8868\u63a8\u5bfc\u5f0f<\/p>\n<\/p>\n

                \n
              • \u53ef\u4ee5\u5728\u5217\u8868\u63a8\u5bfc\u5f0f\u4e2d\u52a0\u5165\u6761\u4ef6\uff0c\u4ee5\u8fc7\u6ee4\u4e0d\u7b26\u5408\u6761\u4ef6\u7684\u5143\u7d20\u3002<\/li>\n
              • \u4f8b\u5982\uff1a[x for x in range(1, 10) if x % 2 == 0]<\/code>\u5c06\u751f\u6210\u4e00\u4e2a\u5305\u542b\u5076\u6570\u7684\u5217\u8868[2, 4, 6, 8]<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

                \u4e09\u3001\u4f7f\u7528NumPy\u5e93\u751f\u6210\u9012\u589e\u5e8f\u5217<\/p>\n<\/p>\n

                NumPy\u662fPython\u4e2d\u4e00\u4e2a\u5f3a\u5927\u7684\u79d1\u5b66\u8ba1\u7b97\u5e93\uff0c\u5b83\u63d0\u4f9b\u4e86\u6bd4range()<\/code>\u51fd\u6570\u66f4\u4e3a\u7075\u6d3b\u7684\u5e8f\u5217\u751f\u6210\u529f\u80fd\uff0c\u5c24\u5176\u9002\u5408\u751f\u6210\u6d6e\u70b9\u6570\u5e8f\u5217\u3002<\/p>\n<\/p>\n

                  \n
                1. \n

                  \u4f7f\u7528numpy.arange()<\/p>\n<\/p>\n

                    \n
                  • numpy.arange()<\/code>\u51fd\u6570\u7c7b\u4f3c\u4e8erange()<\/code>\uff0c\u4f46\u5b83\u53ef\u4ee5\u751f\u6210\u6d6e\u70b9\u6570\u5e8f\u5217\u3002<\/li>\n
                  • \u8bed\u6cd5\u4e3a\uff1anumpy.arange(start, stop, step)<\/code>\u3002<\/li>\n
                  • \u4f8b\u5982\uff1anumpy.arange(0, 1, 0.1)<\/code>\u5c06\u751f\u6210\u4e00\u4e2a\u4ece0\u52300.9\u7684\u6d6e\u70b9\u6570\u5e8f\u5217\u3002<\/li>\n<\/ul>\n<\/li>\n
                  • \n

                    \u4f7f\u7528numpy.linspace()<\/p>\n<\/p>\n

                      \n
                    • numpy.linspace()<\/code>\u7528\u4e8e\u751f\u6210\u6307\u5b9a\u6570\u91cf\u7684\u5747\u5300\u5206\u5e03\u7684\u6570\u503c\u3002<\/li>\n
                    • \u8bed\u6cd5\u4e3a\uff1anumpy.linspace(start, stop, num)<\/code>\u3002<\/li>\n
                    • \u4f8b\u5982\uff1anumpy.linspace(0, 1, 10)<\/code>\u5c06\u751f\u621010\u4e2a\u4ece0\u52301\u7684\u5747\u5300\u5206\u5e03\u7684\u6d6e\u70b9\u6570\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

                      \u56db\u3001\u4f7f\u7528ITERTTOOLS\u6a21\u5757\u751f\u6210\u9012\u589e\u5e8f\u5217<\/p>\n<\/p>\n

                      itertools<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u4e00\u7ec4\u7528\u4e8e\u521b\u5efa\u8fed\u4ee3\u5668\u7684\u51fd\u6570\uff0c\u8fd9\u4e9b\u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u751f\u6210\u590d\u6742\u7684\u5e8f\u5217\u3002<\/p>\n<\/p>\n

                        \n
                      1. \n

                        \u4f7f\u7528itertools.count()<\/p>\n<\/p>\n

                          \n
                        • itertools.count(start, step)<\/code>\u751f\u6210\u4e00\u4e2a\u65e0\u9650\u9012\u589e\u7684\u5e8f\u5217\u3002<\/li>\n
                        • \u4f8b\u5982\uff1aitertools.count(1, 2)<\/code>\u5c06\u751f\u6210\u4e00\u4e2a\u4ece1\u5f00\u59cb\uff0c\u6b65\u957f\u4e3a2\u7684\u65e0\u9650\u5e8f\u5217\u3002<\/li>\n<\/ul>\n<\/li>\n
                        • \n

                          \u914d\u5408\u5176\u5b83\u51fd\u6570\u4f7f\u7528<\/p>\n<\/p>\n

                            \n
                          • itertools<\/code>\u4e2d\u7684\u51fd\u6570\u53ef\u4ee5\u7ec4\u5408\u4f7f\u7528\uff0c\u4ee5\u521b\u5efa\u66f4\u4e3a\u590d\u6742\u7684\u5e8f\u5217\u3002<\/li>\n
                          • \u4f8b\u5982\uff1a\u53ef\u4ee5\u914d\u5408itertools.islice()<\/code>\u6765\u622a\u53d6\u4e00\u4e2a\u6709\u9650\u7684\u9012\u589e\u5e8f\u5217\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

                            \u4e94\u3001\u603b\u7ed3\u4e0e\u5e94\u7528\u573a\u666f<\/p>\n<\/p>\n

                              \n
                            1. range()<\/code>\u51fd\u6570\u9002\u5408\u751f\u6210\u7b80\u5355\u7684\u6574\u6570\u5e8f\u5217\uff0c\u5c24\u5176\u662f\u5728\u5faa\u73af\u4e2d\u4f7f\u7528\u3002<\/li>\n
                            2. \u5217\u8868\u63a8\u5bfc\u5f0f\u9002\u5408\u751f\u6210\u590d\u6742\u7684\u5e8f\u5217\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u5bf9\u5e8f\u5217\u8fdb\u884c\u6761\u4ef6\u8fc7\u6ee4\u65f6\u3002<\/li>\n
                            3. NumPy\u5e93\u9002\u5408\u751f\u6210\u6d6e\u70b9\u6570\u5e8f\u5217\uff0c\u5c24\u5176\u662f\u5728\u79d1\u5b66\u8ba1\u7b97\u548c\u6570\u636e\u5206\u6790\u4e2d\u3002<\/li>\n
                            4. itertools<\/code>\u6a21\u5757\u9002\u5408\u751f\u6210\u65e0\u9650\u5e8f\u5217\u6216\u9700\u8981\u590d\u6742\u7ec4\u5408\u7684\u5e8f\u5217\u3002<\/li>\n<\/ol>\n

                              \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\u751f\u6210\u9012\u589e\u5e8f\u5217\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u9700\u6c42\u548c\u573a\u666f\u3002\u4f8b\u5982\uff0c\u5728\u6570\u636e\u5206\u6790\u4e2d\uff0cNumPy\u7684\u7075\u6d3b\u6027\u548c\u6027\u80fd\u4f18\u52bf\u4f7f\u5176\u6210\u4e3a\u751f\u6210\u6570\u503c\u5e8f\u5217\u7684\u9996\u9009\u5de5\u5177\uff0c\u800c\u5728\u7b80\u5355\u7684\u5faa\u73af\u4e2d\uff0crange()<\/code>\u51fd\u6570\u5219\u66f4\u4e3a\u7b80\u6d01\u76f4\u89c2\u3002<\/p>\n<\/p>\n

                              \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

                              \u5982\u4f55\u5728Python\u4e2d\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u9012\u589e\u5e8f\u5217\uff1f<\/strong>
                              \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684range()<\/code>\u51fd\u6570\u751f\u6210\u9012\u589e\u5e8f\u5217\u3002\u4f8b\u5982\uff0crange(start, stop, step)<\/code>\u80fd\u591f\u5b9a\u4e49\u8d77\u59cb\u503c\u3001\u7ed3\u675f\u503c\u548c\u6b65\u957f\u3002\u82e5\u8981\u751f\u6210\u4ece1\u523010\u7684\u9012\u589e\u5e8f\u5217\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1alist(range(1, 11))<\/code>\uff0c\u8fd9\u5c06\u8f93\u51fa\u4e00\u4e2a\u5305\u542b1\u523010\u7684\u5217\u8868\u3002<\/p>\n

                              \u4f7f\u7528NumPy\u5e93\u751f\u6210\u9012\u589e\u5e8f\u5217\u6709\u4ec0\u4e48\u4f18\u52bf\uff1f<\/strong>
                              NumPy\u5e93\u63d0\u4f9b\u4e86\u66f4\u52a0\u9ad8\u6548\u548c\u7075\u6d3b\u7684\u65b9\u5f0f\u6765\u751f\u6210\u9012\u589e\u5e8f\u5217\u3002\u901a\u8fc7\u4f7f\u7528numpy.arange(start, stop, step)<\/code>\u6216numpy.linspace(start, stop, num)<\/code>\uff0c\u7528\u6237\u53ef\u4ee5\u8f7b\u677e\u751f\u6210\u7b49\u95f4\u8ddd\u7684\u6570\u503c\u5e8f\u5217\uff0c\u9002\u5408\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u548c\u79d1\u5b66\u8ba1\u7b97\u3002\u4f7f\u7528NumPy\u751f\u6210\u7684\u5e8f\u5217\u4e0d\u4ec5\u901f\u5ea6\u5feb\uff0c\u800c\u4e14\u5185\u5b58\u5360\u7528\u8f83\u4f4e\u3002<\/p>\n

                              \u5982\u4f55\u751f\u6210\u4e00\u4e2a\u81ea\u5b9a\u4e49\u6b65\u957f\u7684\u9012\u589e\u5e8f\u5217\uff1f<\/strong>
                              \u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9arange()<\/code>\u6216NumPy\u7684arange()<\/code>\u51fd\u6570\u4e2d\u7684\u6b65\u957f\u53c2\u6570\uff0c\u521b\u5efa\u81ea\u5b9a\u4e49\u6b65\u957f\u7684\u9012\u589e\u5e8f\u5217\u3002\u4f8b\u5982\uff0c\u4f7f\u7528list(range(0, 20, 2))<\/code>\u53ef\u4ee5\u751f\u6210\u4ece0\u523018\u7684\u5076\u6570\u5e8f\u5217\uff0c\u800cnumpy.arange(0, 20, 0.5)<\/code>\u5c06\u751f\u6210\u4ece0\u523019.5\u7684\u9012\u589e\u5e8f\u5217\uff0c\u6b65\u957f\u4e3a0.5\u3002\u8fd9\u79cd\u7075\u6d3b\u6027\u4f7f\u5f97\u7528\u6237\u80fd\u591f\u6839\u636e\u9700\u6c42\u751f\u6210\u4e0d\u540c\u7684\u5e8f\u5217\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u751f\u6210\u9012\u589e\u5e8f\u5217\u7684\u65b9\u6cd5\u6709\u5f88\u591a\uff0c\u5305\u62ec\u4f7f\u7528range()\u51fd\u6570\u3001\u5217\u8868\u63a8\u5bfc\u5f0f\u3001NumPy\u5e93\u7b49\u3002\u6700\u5e38\u7528\u7684\u65b9\u6cd5 […]","protected":false},"author":3,"featured_media":974921,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/974911"}],"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\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=974911"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/974911\/revisions"}],"predecessor-version":[{"id":974924,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/974911\/revisions\/974924"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/974921"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=974911"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=974911"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=974911"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}