{"id":980011,"date":"2024-12-27T06:51:05","date_gmt":"2024-12-26T22:51:05","guid":{"rendered":""},"modified":"2024-12-27T06:51:07","modified_gmt":"2024-12-26T22:51:07","slug":"python%e5%a6%82%e4%bd%95%e6%97%a0%e9%99%90%e5%be%aa%e7%8e%af%e6%96%87%e5%ad%97","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/980011.html","title":{"rendered":"python\u5982\u4f55\u65e0\u9650\u5faa\u73af\u6587\u5b57"},"content":{"rendered":"

\"python\u5982\u4f55\u65e0\u9650\u5faa\u73af\u6587\u5b57\"<\/p>\n

Python\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u6765\u65e0\u9650\u5faa\u73af\u6587\u5b57\uff0c\u5305\u62ec\u4f7f\u7528while<\/code>\u5faa\u73af\u3001for<\/code>\u5faa\u73af\u7ed3\u5408\u751f\u6210\u5668\u6216\u8005\u4f7f\u7528\u9012\u5f52\u51fd\u6570\u7b49\u65b9\u6cd5\u3002<\/strong> \u5728\u8fd9\u4e9b\u65b9\u6cd5\u4e2d\uff0cwhile<\/code>\u5faa\u73af\u662f\u6700\u5e38\u7528\u4e14\u6700\u7b80\u5355\u7684\u5b9e\u73b0\u65b9\u5f0f\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u6301\u7eed\u4e0d\u65ad\u5730\u6267\u884c\u76f4\u5230\u6761\u4ef6\u6539\u53d8\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u63a2\u8ba8\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u4ee3\u7801\u793a\u4f8b\u548c\u5e94\u7528\u573a\u666f\uff0c\u4ee5\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u5728Python\u4e2d\u5b9e\u73b0\u65e0\u9650\u5faa\u73af\u6587\u5b57\u3002<\/p>\n<\/p>\n

\u4e00\u3001WHILE\u5faa\u73af\u5b9e\u73b0\u65e0\u9650\u5faa\u73af\u6587\u5b57<\/p>\n<\/p>\n

while<\/code>\u5faa\u73af\u662fPython\u4e2d\u4e00\u4e2a\u57fa\u672c\u7684\u5faa\u73af\u7ed3\u6784\uff0c\u53ef\u4ee5\u6839\u636e\u6761\u4ef6\u5224\u65ad\u6765\u51b3\u5b9a\u662f\u5426\u7ee7\u7eed\u6267\u884c\u5faa\u73af\u4f53\u3002\u901a\u8fc7\u8bbe\u7f6e\u4e00\u4e2a\u59cb\u7ec8\u4e3a\u771f\u7684\u6761\u4ef6\uff0c\u53ef\u4ee5\u5b9e\u73b0\u65e0\u9650\u5faa\u73af\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n

text = "Hello, World!"<\/p>\n
while True:<\/p>\n
    print(text)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cwhile True<\/code>\u8bed\u53e5\u521b\u5efa\u4e86\u4e00\u4e2a\u65e0\u9650\u5faa\u73af\uff0cprint(text)<\/code>\u5c06\u4e0d\u65ad\u8f93\u51fa"Hello, World!"<\/code>\u3002\u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u76f4\u63a5\uff0c\u4f46\u9700\u8981\u6ce8\u610f\uff0c\u9664\u975e\u901a\u8fc7\u5916\u90e8\u5e72\u9884\uff08\u5982\u952e\u76d8\u4e2d\u65ad\uff09\u6216\u8005\u5728\u4ee3\u7801\u4e2d\u6dfb\u52a0\u9000\u51fa\u6761\u4ef6\uff0c\u5426\u5219\u5faa\u73af\u5c06\u6c38\u8fdc\u4e0d\u4f1a\u505c\u6b62\u3002<\/p>\n<\/p>\n
\u8be6\u7ec6\u63cf\u8ff0\uff1a<\/strong><\/p>\n<\/p>\n
\u5728\u4f7f\u7528while<\/code>\u5faa\u73af\u5b9e\u73b0\u65e0\u9650\u5faa\u73af\u65f6\uff0c\u5fc5\u987b\u8c28\u614e\u5904\u7406\uff0c\u56e0\u4e3a\u5b83\u53ef\u80fd\u5bfc\u81f4\u7a0b\u5e8f\u65e0\u6cd5\u6b63\u5e38\u9000\u51fa\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e2a\u7279\u5b9a\u6761\u4ef6\uff0c\u8ba9\u7528\u6237\u5728\u9700\u8981\u65f6\u53ef\u4ee5\u4e2d\u65ad\u5faa\u73af\u3002\u4f8b\u5982\uff0c\u6dfb\u52a0\u4e00\u4e2a\u7528\u6237\u8f93\u5165\u6765\u5224\u65ad\u662f\u5426\u9000\u51fa\uff1a<\/p>\n<\/p>\n
text = "Hello, World!"<\/p>\n
while True:<\/p>\n
    print(text)<\/p>\n
    user_input = input("Type 'exit' to stop the loop: ")<\/p>\n
    if user_input.lower() == 'exit':<\/p>\n
        break<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u6539\u8fdb\u7684\u793a\u4f8b\u4e2d\uff0c\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u8f93\u5165"exit"<\/code>\u6765\u505c\u6b62\u65e0\u9650\u5faa\u73af\uff0c\u4ece\u800c\u907f\u514d\u7a0b\u5e8f\u9677\u5165\u6b7b\u5faa\u73af\u3002<\/p>\n<\/p>\n
\u4e8c\u3001FOR\u5faa\u73af\u7ed3\u5408\u751f\u6210\u5668\u5b9e\u73b0\u65e0\u9650\u5faa\u73af<\/p>\n<\/p>\n
Python\u7684for<\/code>\u5faa\u73af\u901a\u5e38\u7528\u4e8e\u904d\u5386\u5df2\u77e5\u957f\u5ea6\u7684\u5e8f\u5217\uff0c\u4f46\u901a\u8fc7\u7ed3\u5408\u751f\u6210\u5668\uff0c\u53ef\u4ee5\u5b9e\u73b0\u65e0\u9650\u5faa\u73af\u3002\u751f\u6210\u5668\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u51fd\u6570\uff0c\u4f7f\u7528yield<\/code>\u5173\u952e\u5b57\u6765\u751f\u6210\u4e00\u4e2a\u503c\u5e8f\u5217\uff0c\u6bcf\u6b21\u8c03\u7528\u751f\u6210\u5668\u65f6\u4f1a\u8fd4\u56de\u4e00\u4e2a\u503c\uff0c\u5e76\u5728\u4e0b\u4e00\u6b21\u8c03\u7528\u65f6\u4ece\u505c\u6b62\u5904\u7ee7\u7eed\u6267\u884c\u3002<\/p>\n<\/p>\n
def infinite_text(text):<\/p>\n
    while True:<\/p>\n
        yield text<\/p>\n
for t in infinite_text("Hello, World!"):<\/p>\n
    print(t)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cinfinite_text<\/code>\u51fd\u6570\u662f\u4e00\u4e2a\u751f\u6210\u5668\uff0c\u5b83\u4f7f\u7528yield<\/code>\u6765\u4e0d\u65ad\u8fd4\u56de\u4f20\u5165\u7684\u6587\u672c\u3002for<\/code>\u5faa\u73af\u5c06\u904d\u5386\u751f\u6210\u5668\u751f\u6210\u7684\u503c\uff0c\u5b9e\u73b0\u65e0\u9650\u8f93\u51fa\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u9012\u5f52\u51fd\u6570\u5b9e\u73b0\u65e0\u9650\u5faa\u73af<\/p>\n<\/p>\n
\u9012\u5f52\u662f\u4e00\u79cd\u51fd\u6570\u8c03\u7528\u81ea\u8eab\u7684\u7f16\u7a0b\u6280\u672f\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0\u65e0\u9650\u5faa\u73af\u3002\u867d\u7136\u9012\u5f52\u5728\u7406\u8bba\u4e0a\u53ef\u4ee5\u5b9e\u73b0\u65e0\u9650\u5faa\u73af\uff0c\u4f46\u5728\u5b9e\u8df5\u4e2d\u8981\u8c28\u614e\u4f7f\u7528\uff0c\u56e0\u4e3a\u9012\u5f52\u8c03\u7528\u5c42\u6b21\u8fc7\u591a\u53ef\u80fd\u5bfc\u81f4\u6808\u6ea2\u51fa\u3002<\/p>\n<\/p>\n
def recursive_text(text):<\/p>\n
    print(text)<\/p>\n
    recursive_text(text)<\/p>\n
recursive_text("Hello, World!")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0crecursive_text<\/code>\u51fd\u6570\u4f1a\u5728\u6253\u5370\u5b8c\u6587\u672c\u540e\u518d\u6b21\u8c03\u7528\u81ea\u8eab\uff0c\u4ece\u800c\u5f62\u6210\u65e0\u9650\u5faa\u73af\u3002\u7136\u800c\uff0c\u9012\u5f52\u7684\u6df1\u5ea6\u53d7\u5230Python\u89e3\u91ca\u5668\u7684\u9650\u5236\uff0c\u56e0\u6b64\u4e0d\u5efa\u8bae\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u65e0\u9650\u5faa\u73af\uff0c\u9664\u975e\u6709\u975e\u5e38\u660e\u786e\u7684\u63a7\u5236\u673a\u5236\u3002<\/p>\n<\/p>\n
\u56db\u3001\u5e94\u7528\u573a\u666f\u4e0e\u6ce8\u610f\u4e8b\u9879<\/p>\n<\/p>\n
    \n
  1. \n
    \u5b9e\u65f6\u66f4\u65b0\u663e\u793a\uff1a<\/strong> \u5728\u9700\u8981\u6301\u7eed\u66f4\u65b0\u663e\u793a\u5185\u5bb9\u7684\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u4f8b\u5982\u5b9e\u65f6\u6570\u636e\u76d1\u6d4b\u6216\u65e5\u5fd7\u8f93\u51fa\uff0c\u53ef\u4ee5\u4f7f\u7528\u65e0\u9650\u5faa\u73af\u6765\u4e0d\u65ad\u5237\u65b0\u663e\u793a\u3002<\/p>\n<\/p>\n<\/li>\n
  2. \n
    \u6e38\u620f\u5faa\u73af\uff1a<\/strong> \u5728\u6e38\u620f\u5f00\u53d1\u4e2d\uff0c\u6e38\u620f\u5faa\u73af\u901a\u5e38\u662f\u4e00\u4e2a\u65e0\u9650\u5faa\u73af\uff0c\u7528\u4e8e\u4e0d\u65ad\u66f4\u65b0\u6e38\u620f\u72b6\u6001\u548c\u6e32\u67d3\u753b\u9762\u3002<\/p>\n<\/p>\n<\/li>\n
  3. \n
    \u670d\u52a1\u5668\u76d1\u542c\uff1a<\/strong> \u670d\u52a1\u5668\u7a0b\u5e8f\u9700\u8981\u6301\u7eed\u76d1\u542c\u7aef\u53e3\u4ee5\u63a5\u6536\u5ba2\u6237\u7aef\u8bf7\u6c42\uff0c\u8fd9\u4e5f\u53ef\u4ee5\u901a\u8fc7\u65e0\u9650\u5faa\u73af\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
    \u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<\/p>\n