{"id":977773,"date":"2024-12-27T06:32:22","date_gmt":"2024-12-26T22:32:22","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/977773.html"},"modified":"2024-12-27T06:32:25","modified_gmt":"2024-12-26T22:32:25","slug":"python%e5%a6%82%e4%bd%95%e8%bf%94%e5%9b%9e%e4%b8%8a%e4%b8%aa%e5%be%aa%e7%8e%af","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/977773.html","title":{"rendered":"python\u5982\u4f55\u8fd4\u56de\u4e0a\u4e2a\u5faa\u73af"},"content":{"rendered":"

\"python\u5982\u4f55\u8fd4\u56de\u4e0a\u4e2a\u5faa\u73af\"<\/p>\n

\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528continue<\/code>\u8bed\u53e5\u548c\u5faa\u73af\u63a7\u5236\u53d8\u91cf\u7684\u7ba1\u7406\u6765\u8fd4\u56de\u4e0a\u4e2a\u5faa\u73af\u3001\u5229\u7528continue<\/code>\u8bed\u53e5\u8df3\u8fc7\u5f53\u524d\u5faa\u73af\u7684\u5269\u4f59\u4ee3\u7801\uff0c\u8fdb\u5165\u4e0b\u4e00\u6b21\u5faa\u73af\u3001\u8fd8\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u5faa\u73af\u63a7\u5236\u53d8\u91cf\u6765\u5b9e\u73b0\u8fd4\u56de\u4e0a\u4e2a\u5faa\u73af\u7684\u6548\u679c\u3002<\/strong><\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528continue<\/code>\u8bed\u53e5<\/p>\n<\/p>\n

continue<\/code>\u8bed\u53e5\u7528\u4e8e\u8df3\u8fc7\u5f53\u524d\u5faa\u73af\u7684\u5269\u4f59\u4ee3\u7801\uff0c\u76f4\u63a5\u8fdb\u5165\u4e0b\u4e00\u6b21\u5faa\u73af\u7684\u8fed\u4ee3\u3002\u5b83\u7279\u522b\u9002\u7528\u4e8e\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\u8df3\u8fc7\u5f53\u524d\u8fed\u4ee3\u7684\u67d0\u4e9b\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u5f53\u4f60\u5728\u904d\u5386\u4e00\u4e2a\u5217\u8868\u65f6\uff0c\u60f3\u8981\u8df3\u8fc7\u67d0\u4e9b\u4e0d\u7b26\u5408\u6761\u4ef6\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528continue<\/code>\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n

for i in range(10):<\/p>\n
    if i % 2 == 0:  # \u5982\u679ci\u662f\u5076\u6570\uff0c\u8df3\u8fc7\u672c\u6b21\u5faa\u73af<\/p>\n
        continue<\/p>\n
    print(i)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0ccontinue<\/code>\u8bed\u53e5\u7528\u4e8e\u8df3\u8fc7\u5076\u6570\u7684\u6253\u5370\u64cd\u4f5c\uff0c\u53ea\u6253\u5370\u5947\u6570\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u8c03\u6574\u5faa\u73af\u63a7\u5236\u53d8\u91cf<\/p>\n<\/p>\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u201c\u8fd4\u56de\u201d\u5230\u4e0a\u4e00\u4e2a\u5faa\u73af\u7684\u72b6\u6001\uff0c\u800c\u4e0d\u662f\u7b80\u5355\u5730\u8df3\u8fc7\u5f53\u524d\u5faa\u73af\u3002\u867d\u7136Python\u6ca1\u6709\u5185\u7f6e\u7684\u673a\u5236\u76f4\u63a5\u5b9e\u73b0\u201c\u8fd4\u56de\u4e0a\u4e2a\u5faa\u73af\u201d\u7684\u529f\u80fd\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u5faa\u73af\u63a7\u5236\u53d8\u91cf\u6765\u6a21\u62df\u8fd9\u79cd\u884c\u4e3a\u3002<\/p>\n<\/p>\n
\u4f8b\u5982\uff0c\u5047\u8bbe\u4f60\u5728\u5904\u7406\u4e00\u4e2a\u5217\u8868\uff0c\u5e76\u4e14\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\u5e0c\u671b\u91cd\u65b0\u5904\u7406\u524d\u4e00\u4e2a\u5143\u7d20\uff0c\u4f60\u53ef\u4ee5\u624b\u52a8\u8c03\u6574\u5faa\u73af\u7d22\u5f15\uff1a<\/p>\n<\/p>\n
i = 0<\/p>\n
data = [1, 2, 3, 4, 5]<\/p>\n
while i < len(data):<\/p>\n
    if data[i] == 3:<\/p>\n
        print(f"Revisiting element: {data[i-1]}")<\/p>\n
        i -= 1  # \u56de\u5230\u4e0a\u4e00\u4e2a\u5143\u7d20<\/p>\n
    else:<\/p>\n
        print(data[i])<\/p>\n
    i += 1<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5f53\u9047\u5230\u5143\u7d203<\/code>\u65f6\uff0c\u6211\u4eec\u901a\u8fc7i -= 1<\/code>\u5c06\u7d22\u5f15\u8c03\u6574\u56de\u524d\u4e00\u4e2a\u5143\u7d20\uff0c\u4ece\u800c\u5b9e\u73b0\u201c\u8fd4\u56de\u201d\u4e0a\u4e2a\u5faa\u73af\u7684\u6548\u679c\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528\u9012\u5f52<\/p>\n<\/p>\n
\u9012\u5f52\u662f\u4e00\u79cd\u51fd\u6570\u8c03\u7528\u81ea\u8eab\u7684\u6280\u672f\uff0c\u53ef\u4ee5\u7528\u6765\u66ff\u4ee3\u67d0\u4e9b\u5faa\u73af\u7684\u529f\u80fd\u3002\u5f53\u9700\u8981\u5728\u67d0\u4e9b\u6761\u4ef6\u4e0b\u8fd4\u56de\u5230\u4e0a\u4e00\u6b21\u7684\u8ba1\u7b97\u65f6\uff0c\u9012\u5f52\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a\u53ef\u9009\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
def process_list(data, index):<\/p>\n
    if index >= len(data):<\/p>\n
        return<\/p>\n
    if data[index] == 3:<\/p>\n
        print(f"Revisiting element: {data[index-1]}")<\/p>\n
        process_list(data, index-1)  # \u56de\u5230\u4e0a\u4e00\u4e2a\u5143\u7d20<\/p>\n
    else:<\/p>\n
        print(data[index])<\/p>\n
        process_list(data, index+1)<\/p>\n
process_list([1, 2, 3, 4, 5], 0)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u9012\u5f52\u5b9e\u73b0\u4e2d\uff0c\u5f53\u9047\u5230\u5143\u7d203<\/code>\u65f6\uff0c\u6211\u4eec\u901a\u8fc7\u518d\u6b21\u8c03\u7528process_list<\/code>\u51fd\u6570\u5e76\u4f20\u9012index-1<\/code>\u6765\u91cd\u65b0\u5904\u7406\u524d\u4e00\u4e2a\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u56db\u3001\u7efc\u5408\u5e94\u7528<\/p>\n<\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u9700\u6c42\u548c\u573a\u666f\u3002\u5bf9\u4e8e\u7b80\u5355\u7684\u8df3\u8fc7\u6216\u7ee7\u7eed\u64cd\u4f5c\uff0ccontinue<\/code>\u8bed\u53e5\u901a\u5e38\u662f\u6700\u76f4\u63a5\u548c\u6709\u6548\u7684\u65b9\u6cd5\u3002\u800c\u5bf9\u4e8e\u9700\u8981\u590d\u6742\u903b\u8f91\u7684\u573a\u666f\uff0c\u53ef\u80fd\u9700\u8981\u7ed3\u5408\u63a7\u5236\u53d8\u91cf\u548c\u9012\u5f52\u6765\u5b9e\u73b0\u66f4\u52a0\u7075\u6d3b\u7684\u5faa\u73af\u63a7\u5236\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u6ce8\u610f\u4e8b\u9879<\/p>\n<\/p>\n
\u5728\u4f7f\u7528\u4e0a\u8ff0\u65b9\u6cd5\u65f6\uff0c\u52a1\u5fc5\u6ce8\u610f\u907f\u514d\u6b7b\u5faa\u73af\u548c\u6808\u6ea2\u51fa\u7b49\u95ee\u9898\u3002\u4f8b\u5982\uff0c\u5728\u8c03\u6574\u5faa\u73af\u63a7\u5236\u53d8\u91cf\u65f6\uff0c\u9700\u8981\u786e\u4fdd\u5faa\u73af\u80fd\u591f\u5728\u5408\u7406\u7684\u6761\u4ef6\u4e0b\u7ec8\u6b62\u3002\u9012\u5f52\u8c03\u7528\u4e5f\u9700\u8981\u6ce8\u610f\u9012\u5f52\u7684\u6df1\u5ea6\uff0c\u4ee5\u907f\u514d\u8d85\u8fc7Python\u7684\u9012\u5f52\u9650\u5236\u3002<\/p>\n<\/p>\n
\u516d\u3001\u793a\u4f8b\u5e94\u7528<\/p>\n<\/p>\n
\u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u5728\u4e0d\u540c\u573a\u666f\u4e0b\u5e94\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u6211\u4eec\u6765\u770b\u4e00\u4e2a\u5b9e\u9645\u7684\u793a\u4f8b\uff1a\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u5305\u542b\u591a\u4e2a\u5b57\u7b26\u4e32\u7684\u5217\u8868\uff0c\u6211\u4eec\u5e0c\u671b\u6253\u5370\u6bcf\u4e2a\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\uff0c\u4f46\u5982\u679c\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u662f\u5076\u6570\uff0c\u6211\u4eec\u5e0c\u671b\u91cd\u65b0\u5904\u7406\u524d\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
def process_strings(strings):<\/p>\n
    index = 0<\/p>\n
    while index < len(strings):<\/p>\n
        current_length = len(strings[index])<\/p>\n
        if current_length % 2 == 0:<\/p>\n
            if index > 0:  # \u786e\u4fdd\u6709\u4e0a\u4e00\u4e2a\u5143\u7d20<\/p>\n
                print(f"Revisiting string: {strings[index-1]} with length {len(strings[index-1])}")<\/p>\n
                index -= 1<\/p>\n
            else:<\/p>\n
                index += 1  # \u5982\u679c\u662f\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u76f4\u63a5\u8df3\u8fc7<\/p>\n
        else:<\/p>\n
            print(f"String: {strings[index]}, Length: {current_length}")<\/p>\n
            index += 1<\/p>\n
string_list = ["apple", "banana", "cherry", "date", "elderberry"]<\/p>\n
process_strings(string_list)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u5f53\u9047\u5230\u957f\u5ea6\u4e3a\u5076\u6570\u7684\u5b57\u7b26\u4e32\u65f6\uff0c\u6211\u4eec\u901a\u8fc7\u8c03\u6574\u7d22\u5f15\u8fd4\u56de\u5230\u4e0a\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u5e76\u91cd\u65b0\u5904\u7406\u5b83\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6211\u4eec\u5b9e\u73b0\u4e86\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\u201c\u8fd4\u56de\u201d\u4e0a\u4e2a\u5faa\u73af\u7684\u6548\u679c\u3002<\/p>\n<\/p>\n
\u603b\u7ed3<\/p>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u201c\u8fd4\u56de\u201d\u4e0a\u4e2a\u5faa\u73af\u5e76\u4e0d\u662f\u76f4\u63a5\u652f\u6301\u7684\u64cd\u4f5c\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7continue<\/code>\u8bed\u53e5\u3001\u8c03\u6574\u5faa\u73af\u63a7\u5236\u53d8\u91cf\u548c\u9012\u5f52\u7b49\u6280\u5de7\u6765\u5b9e\u73b0\u7c7b\u4f3c\u7684\u6548\u679c\u3002\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\u8fdb\u884c\u5224\u65ad\u3002\u901a\u8fc7\u7075\u6d3b\u8fd0\u7528\u8fd9\u4e9b\u6280\u672f\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u597d\u5730\u63a7\u5236\u5faa\u73af\u7684\u884c\u4e3a\uff0c\u5b9e\u73b0\u590d\u6742\u7684\u903b\u8f91\u5904\u7406\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u5b9e\u73b0\u8df3\u8fc7\u5f53\u524d\u5faa\u73af\u5e76\u8fd4\u56de\u4e0a\u4e00\u4e2a\u5faa\u73af\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528continue<\/code>\u8bed\u53e5\u6765\u8df3\u8fc7\u5f53\u524d\u5faa\u73af\u7684\u5269\u4f59\u90e8\u5206\uff0c\u5e76\u7ee7\u7eed\u4e0b\u4e00\u6b21\u5faa\u73af\u7684\u6267\u884c\u3002\u8fd9\u610f\u5473\u7740\u5982\u679c\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\uff0c\u5faa\u73af\u5c06\u4e0d\u4f1a\u6267\u884c\u5f53\u524d\u8fed\u4ee3\u4e2d\u5269\u4e0b\u7684\u4ee3\u7801\uff0c\u800c\u662f\u76f4\u63a5\u8fdb\u5165\u4e0b\u4e00\u4e2a\u8fed\u4ee3\u3002<\/p>\n
\u5728Python\u4e2d\uff0c\u6709\u54ea\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u63a7\u5236\u5faa\u73af\u7684\u884c\u4e3a\uff1f<\/strong>
Python\u63d0\u4f9b\u4e86\u51e0\u79cd\u63a7\u5236\u5faa\u73af\u7684\u65b9\u5f0f\uff0c\u5305\u62ecbreak<\/code>\u3001continue<\/code>\u548cpass<\/code>\u3002break<\/code>\u7528\u4e8e\u7ec8\u6b62\u6574\u4e2a\u5faa\u73af\uff0ccontinue<\/code>\u7528\u4e8e\u8df3\u8fc7\u5f53\u524d\u5faa\u73af\u5e76\u8fdb\u5165\u4e0b\u4e00\u6b21\u8fed\u4ee3\uff0c\u800cpass<\/code>\u5219\u662f\u4e00\u4e2a\u7a7a\u64cd\u4f5c\uff0c\u901a\u5e38\u7528\u4e8e\u5360\u4f4d\u7b26\u3002<\/p>\n
\u5982\u4f55\u5728Python\u5faa\u73af\u4e2d\u4f7f\u7528\u6761\u4ef6\u8bed\u53e5\u6765\u63a7\u5236\u5faa\u73af\u7684\u6267\u884c\uff1f<\/strong>
\u901a\u8fc7\u7ed3\u5408if<\/code>\u6761\u4ef6\u8bed\u53e5\u548ccontinue<\/code>\u6216break<\/code>\u8bed\u53e5\uff0c\u53ef\u4ee5\u7075\u6d3b\u5730\u63a7\u5236\u5faa\u73af\u7684\u6267\u884c\u903b\u8f91\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5728\u5faa\u73af\u4e2d\u68c0\u67e5\u67d0\u4e2a\u6761\u4ef6\uff0c\u5982\u679c\u6761\u4ef6\u4e3a\u771f\uff0c\u5219\u4f7f\u7528continue<\/code>\u8df3\u8fc7\u5f53\u524d\u8fed\u4ee3\uff0c\u6216\u8005\u4f7f\u7528break<\/code>\u9000\u51fa\u5faa\u73af\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u52a8\u6001\u8c03\u6574\u5faa\u73af\u7684\u884c\u4e3a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528continue\u8bed\u53e5\u548c\u5faa\u73af\u63a7\u5236\u53d8\u91cf\u7684\u7ba1\u7406\u6765\u8fd4\u56de\u4e0a\u4e2a\u5faa\u73af\u3001\u5229\u7528continue\u8bed\u53e5 […]","protected":false},"author":3,"featured_media":977786,"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\/977773"}],"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=977773"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/977773\/revisions"}],"predecessor-version":[{"id":977788,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/977773\/revisions\/977788"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/977786"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=977773"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=977773"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=977773"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}