{"id":980416,"date":"2024-12-27T06:54:16","date_gmt":"2024-12-26T22:54:16","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/980416.html"},"modified":"2024-12-27T06:54:20","modified_gmt":"2024-12-26T22:54:20","slug":"python%e5%a6%82%e4%bd%95%e5%be%aa%e7%8e%af%e8%be%93%e5%87%ba%e6%95%b4%e6%95%b0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/980416.html","title":{"rendered":"python\u5982\u4f55\u5faa\u73af\u8f93\u51fa\u6574\u6570"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24205821\/ff0ee421-58db-4f83-b4e1-c1e9bff24e1c.webp\" alt=\"python\u5982\u4f55\u5faa\u73af\u8f93\u51fa\u6574\u6570\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\uff0c\u5faa\u73af\u8f93\u51fa\u6574\u6570\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528for\u5faa\u73af\u3001while\u5faa\u73af\u3001\u4ee5\u53ca\u751f\u6210\u5668\u7b49\u65b9\u5f0f\u6765\u5b9e\u73b0\u3002for\u5faa\u73af\u9002\u7528\u4e8e\u5728\u4e00\u4e2a\u6709\u9650\u8303\u56f4\u5185\u8f93\u51fa\u6574\u6570\u3001while\u5faa\u73af\u9002\u7528\u4e8e\u66f4\u7075\u6d3b\u7684\u6761\u4ef6\u63a7\u5236\u3001\u751f\u6210\u5668\u5219\u53ef\u4ee5\u7528\u4e8e\u66f4\u590d\u6742\u7684\u6574\u6570\u751f\u6210\u9700\u6c42\u3002<\/strong><\/p>\n<\/p>\n<p><p>Python \u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5faa\u73af\u8f93\u51fa\u6574\u6570\uff0c\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5e76\u7ed9\u51fa\u793a\u4f8b\u548c\u5e94\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001FOR\u5faa\u73af\u8f93\u51fa\u6574\u6570<\/h3>\n<\/p>\n<p><p>for\u5faa\u73af\u662fPython\u4e2d\u6700\u5e38\u7528\u7684\u5faa\u73af\u7ed3\u6784\u4e4b\u4e00\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u5728\u4e00\u4e2a\u5df2\u77e5\u8303\u56f4\u5185\u5faa\u73af\u8f93\u51fa\u6574\u6570\u3002<\/p>\n<\/p>\n<p><h4>1.1 \u4f7f\u7528range\u51fd\u6570<\/h4>\n<\/p>\n<p><p><code>range()<\/code>\u51fd\u6570\u662fPython\u5185\u7f6e\u7684\u4e00\u4e2a\u51fd\u6570\uff0c\u901a\u5e38\u4e0efor\u5faa\u73af\u7ed3\u5408\u4f7f\u7528\u6765\u751f\u6210\u6574\u6570\u5e8f\u5217\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">for i in range(10):<\/p>\n<p>    print(i)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e0a\u8ff0\u4ee3\u7801\u5c06\u8f93\u51fa\u4ece0\u52309\u7684\u6574\u6570\u3002<code>range(10)<\/code>\u751f\u6210\u4e00\u4e2a\u5e8f\u5217\uff0c\u4ece0\u5f00\u59cb\u5230\u5c0f\u4e8e10\u7684\u6574\u6570\u3002<\/p>\n<\/p>\n<p><h4>1.2 \u6307\u5b9a\u8d77\u59cb\u70b9<\/h4>\n<\/p>\n<p><p>\u9664\u4e86\u9ed8\u8ba4\u4ece0\u5f00\u59cb\uff0c<code>range()<\/code>\u51fd\u6570\u8fd8\u5141\u8bb8\u6307\u5b9a\u8d77\u59cb\u70b9\u548c\u6b65\u957f\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">for i in range(5, 15):<\/p>\n<p>    print(i)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u6b64\u4ee3\u7801\u5c06\u8f93\u51fa\u4ece5\u523014\u7684\u6574\u6570\u3002<code>range(5, 15)<\/code>\u751f\u6210\u4e00\u4e2a\u5e8f\u5217\uff0c\u4ece5\u5f00\u59cb\u5230\u5c0f\u4e8e15\u7684\u6574\u6570\u3002<\/p>\n<\/p>\n<p><h4>1.3 \u4f7f\u7528\u6b65\u957f<\/h4>\n<\/p>\n<p><p><code>range()<\/code>\u51fd\u6570\u4e5f\u53ef\u4ee5\u901a\u8fc7\u7b2c\u4e09\u4e2a\u53c2\u6570\u6307\u5b9a\u6b65\u957f\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">for i in range(0, 20, 2):<\/p>\n<p>    print(i)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u6bb5\u4ee3\u7801\u5c06\u8f93\u51fa\u5076\u6570\uff1a0\u30012\u30014\u30016\u30018\u300110\u300112\u300114\u300116\u300118\u3002\u6b65\u957f\u4e3a2\u610f\u5473\u7740\u6bcf\u6b21\u589e\u52a02\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001WHILE\u5faa\u73af\u8f93\u51fa\u6574\u6570<\/h3>\n<\/p>\n<p><p><code>while<\/code>\u5faa\u73af\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u6bd4<code>for<\/code>\u5faa\u73af\u66f4\u7075\u6d3b\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u5728\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u65f6\u7ee7\u7eed\u6267\u884c\u3002<\/p>\n<\/p>\n<p><h4>2.1 \u57fa\u672c\u4f7f\u7528<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">i = 0<\/p>\n<p>while i &lt; 10:<\/p>\n<p>    print(i)<\/p>\n<p>    i += 1<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u6b64\u4ee3\u7801\u5728<code>i<\/code>\u5c0f\u4e8e10\u65f6\u7ee7\u7eed\u5faa\u73af\uff0c\u5e76\u5728\u6bcf\u6b21\u8fed\u4ee3\u4e2d\u5c06<code>i<\/code>\u589e\u52a01\u3002<\/p>\n<\/p>\n<p><h4>2.2 \u5e26\u6761\u4ef6\u63a7\u5236<\/h4>\n<\/p>\n<p><p><code>while<\/code>\u5faa\u73af\u53ef\u4ee5\u7528\u4e8e\u9700\u8981\u66f4\u590d\u6742\u6761\u4ef6\u63a7\u5236\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">i = 0<\/p>\n<p>while i &lt; 20:<\/p>\n<p>    if i % 2 == 0:<\/p>\n<p>        print(i)<\/p>\n<p>    i += 1<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u6bb5\u4ee3\u7801\u5c06\u8f93\u51fa\u4ece0\u523018\u7684\u5076\u6570\u3002<code>if i % 2 == 0<\/code>\u7528\u6765\u5224\u65ad<code>i<\/code>\u662f\u5426\u4e3a\u5076\u6570\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u4f7f\u7528\u751f\u6210\u5668\u51fd\u6570\u8f93\u51fa\u6574\u6570<\/h3>\n<\/p>\n<p><p>\u751f\u6210\u5668\u51fd\u6570\u662f\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\u7684\u8fed\u4ee3\u5668\uff0c\u7528\u4e8e\u751f\u6210\u4e00\u7cfb\u5217\u503c\u3002<\/p>\n<\/p>\n<p><h4>3.1 \u57fa\u672c\u751f\u6210\u5668<\/h4>\n<\/p>\n<p><p>\u751f\u6210\u5668\u901a\u8fc7<code>yield<\/code>\u5173\u952e\u5b57\u751f\u6210\u503c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def generate_numbers(n):<\/p>\n<p>    i = 0<\/p>\n<p>    while i &lt; n:<\/p>\n<p>        yield i<\/p>\n<p>        i += 1<\/p>\n<p>for number in generate_numbers(10):<\/p>\n<p>    print(number)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u6b64\u4ee3\u7801\u5b9a\u4e49\u4e86\u4e00\u4e2a\u751f\u6210\u5668\u51fd\u6570<code>generate_numbers<\/code>\uff0c\u5b83\u751f\u6210\u4ece0\u5230\u5c0f\u4e8e<code>n<\/code>\u7684\u6574\u6570\u3002<\/p>\n<\/p>\n<p><h4>3.2 \u65e0\u9650\u751f\u6210\u5668<\/h4>\n<\/p>\n<p><p>\u751f\u6210\u5668\u4e5f\u53ef\u4ee5\u7528\u4e8e\u751f\u6210\u65e0\u9650\u6574\u6570\u5e8f\u5217\uff0c\u9002\u7528\u4e8e\u9700\u8981\u6301\u7eed\u751f\u6210\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def infinite_numbers():<\/p>\n<p>    i = 0<\/p>\n<p>    while True:<\/p>\n<p>        yield i<\/p>\n<p>        i += 1<\/p>\n<h2><strong>\u4f7f\u7528\u793a\u4f8b<\/strong><\/h2>\n<p>gen = infinite_numbers()<\/p>\n<p>for _ in range(10):<\/p>\n<p>    print(next(gen))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u6bb5\u4ee3\u7801\u5b9a\u4e49\u4e86\u4e00\u4e2a\u65e0\u9650\u751f\u6210\u5668<code>infinite_numbers<\/code>\uff0c\u5e76\u5728\u5916\u90e8\u5faa\u73af\u4e2d\u4f7f\u7528<code>next()<\/code>\u51fd\u6570\u83b7\u53d6\u751f\u6210\u7684\u6574\u6570\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u5e94\u7528\u573a\u666f\u4e0e\u6ce8\u610f\u4e8b\u9879<\/h3>\n<\/p>\n<p><h4>4.1 \u5e94\u7528\u573a\u666f<\/h4>\n<\/p>\n<ul>\n<li><strong>\u6570\u636e\u5904\u7406<\/strong>\uff1a\u6279\u91cf\u5904\u7406\u6570\u636e\u65f6\u9700\u8981\u5faa\u73af\u8f93\u51fa\u6574\u6570\uff0c\u4f8b\u5982\u904d\u5386\u5217\u8868\u3001\u6570\u7ec4\u6216\u5176\u4ed6\u6570\u636e\u7ed3\u6784\u3002<\/li>\n<li><strong>\u6a21\u62df\u548c\u5efa\u6a21<\/strong>\uff1a\u5728\u6a21\u62df\u6216\u5efa\u6a21\u4e2d\u751f\u6210\u4e00\u7cfb\u5217\u6b65\u9aa4\u6216\u65f6\u95f4\u70b9\u3002<\/li>\n<li><strong>\u7b97\u6cd5\u5b9e\u73b0<\/strong>\uff1a\u5b9e\u73b0\u7b97\u6cd5\u9700\u8981\u8fed\u4ee3\u8ba1\u7b97\u65f6\uff0c\u4f8b\u5982\u6392\u5e8f\u7b97\u6cd5\u3001\u641c\u7d22\u7b97\u6cd5\u7b49\u3002<\/li>\n<\/ul>\n<p><h4>4.2 \u6ce8\u610f\u4e8b\u9879<\/h4>\n<\/p>\n<ul>\n<li><strong>\u907f\u514d\u6b7b\u5faa\u73af<\/strong>\uff1a\u4f7f\u7528<code>while<\/code>\u5faa\u73af\u65f6\uff0c\u786e\u4fdd\u5faa\u73af\u6761\u4ef6\u6700\u7ec8\u4f1a\u53d8\u4e3a<code>False<\/code>\uff0c\u4ee5\u9632\u6b62\u6b7b\u5faa\u73af\u3002<\/li>\n<li><strong>\u5185\u5b58\u6d88\u8017<\/strong>\uff1a\u5728\u5904\u7406\u5927\u8303\u56f4\u6574\u6570\u5e8f\u5217\u65f6\uff0c\u6ce8\u610f\u5185\u5b58\u6d88\u8017\uff0c\u5c24\u5176\u662f\u5728\u5d4c\u5957\u5faa\u73af\u4e2d\u3002<\/li>\n<li><strong>\u6b65\u957f\u9009\u62e9<\/strong>\uff1a\u9009\u62e9\u5408\u9002\u7684\u6b65\u957f\uff0c\u4ee5\u907f\u514d\u8df3\u8fc7\u6240\u9700\u6574\u6570\u3002<\/li>\n<\/ul>\n<p><p>\u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\u548c\u793a\u4f8b\uff0c\u60a8\u53ef\u4ee5\u5728Python\u4e2d\u6839\u636e\u4e0d\u540c\u9700\u6c42\u7075\u6d3b\u5730\u5faa\u73af\u8f93\u51fa\u6574\u6570\u3002\u9009\u62e9\u5408\u9002\u7684\u5faa\u73af\u7ed3\u6784\u548c\u65b9\u6cd5\u80fd\u591f\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u6548\u7387\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u4f7f\u7528Python\u5faa\u73af\u8f93\u51fa\u4ece1\u523010\u7684\u6574\u6570\uff1f<\/strong><br \/>\u60a8\u53ef\u4ee5\u4f7f\u7528<code>for<\/code>\u5faa\u73af\u548c<code>range()<\/code>\u51fd\u6570\u8f7b\u677e\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a  <\/p>\n<pre><code class=\"language-python\">for i in range(1, 11):\n    print(i)\n<\/code><\/pre>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u5c06\u6253\u5370\u4ece1\u523010\u7684\u6240\u6709\u6574\u6570\uff0c\u6bcf\u4e2a\u6574\u6570\u5360\u4e00\u884c\u3002\u60a8\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8c03\u6574<code>range()<\/code>\u4e2d\u7684\u53c2\u6570\u3002<\/p>\n<p><strong>Python\u4e2d\u5982\u4f55\u4f7f\u7528while\u5faa\u73af\u8f93\u51fa\u6574\u6570\uff1f<\/strong><br \/><code>while<\/code>\u5faa\u73af\u4e5f\u662f\u8f93\u51fa\u6574\u6570\u7684\u4e00\u4e2a\u597d\u9009\u62e9\u3002\u60a8\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e2a\u521d\u59cb\u503c\uff0c\u5e76\u5728\u6761\u4ef6\u6ee1\u8db3\u65f6\u8fdb\u884c\u5faa\u73af\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a  <\/p>\n<pre><code class=\"language-python\">i = 1\nwhile i &lt;= 10:\n    print(i)\n    i += 1\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u4ee3\u7801\u7247\u6bb5\u5c06\u9010\u884c\u8f93\u51fa1\u523010\u7684\u6574\u6570\uff0c\u76f4\u5230\u6761\u4ef6\u4e0d\u518d\u6ee1\u8db3\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728Python\u4e2d\u8f93\u51fa\u5076\u6570\u6216\u5947\u6570\u7684\u6574\u6570\uff1f<\/strong><br \/>\u5982\u679c\u60a8\u53ea\u60f3\u8f93\u51fa\u5076\u6570\u6216\u5947\u6570\uff0c\u53ef\u4ee5\u5728\u5faa\u73af\u4e2d\u6dfb\u52a0\u6761\u4ef6\u5224\u65ad\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u5c06\u8f93\u51fa1\u523020\u4e4b\u95f4\u7684\u5076\u6570\uff1a  <\/p>\n<pre><code class=\"language-python\">for i in range(1, 21):\n    if i % 2 == 0:\n        print(i)\n<\/code><\/pre>\n<p>\u76f8\u5e94\u5730\uff0c\u5982\u679c\u8981\u8f93\u51fa\u5947\u6570\uff0c\u53ea\u9700\u5c06\u6761\u4ef6\u6539\u4e3a<code>if i % 2 != 0:<\/code>\u5373\u53ef\u3002\u8fd9\u6837\u53ef\u4ee5\u7075\u6d3b\u5730\u63a7\u5236\u8f93\u51fa\u7684\u6574\u6570\u7c7b\u578b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u5faa\u73af\u8f93\u51fa\u6574\u6570\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528for\u5faa\u73af\u3001while\u5faa\u73af\u3001\u4ee5\u53ca\u751f\u6210\u5668\u7b49\u65b9\u5f0f\u6765\u5b9e\u73b0\u3002for\u5faa\u73af\u9002\u7528\u4e8e [&hellip;]","protected":false},"author":3,"featured_media":980427,"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\/980416"}],"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=980416"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/980416\/revisions"}],"predecessor-version":[{"id":980429,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/980416\/revisions\/980429"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/980427"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=980416"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=980416"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=980416"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}