For – Else<\/span><\/strong>
\n\u5faa\u73af\u662f\u4efb\u4f55\u8bed\u8a00\u7684\u4e00\u4e2a\u5fc5\u5907\u8981\u7d20\u3002\u540c\u6837\u5730\uff0cfor\u5faa\u73af\u5c31\u662fPython\u7684\u4e00\u4e2a\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002\u7136\u800c\u8fd8\u6709\u4e00\u4e9b\u4e1c\u897f\u662f\u521d\u5b66\u8005\u5e76\u4e0d\u77e5\u9053\u7684\u3002\u6211\u4eec\u5c06\u4e00\u4e2a\u4e2a\u8ba8\u8bba\u4e00\u4e0b\u3002<\/p>\n

\u6211\u4eec\u5148\u4ece\u5df2\u7ecf\u77e5\u9053\u7684\u5f00\u59cb\u3002\u6211\u4eec\u77e5\u9053\u53ef\u4ee5\u50cf\u8fd9\u6837\u4f7f\u7528for\u5faa\u73af\uff1a<\/p>\n

\n
Code: <\/strong>[\u5168\u9009]<\/a> [Expand\/Collapse]<\/a><\/div>\n
\n
\n
\n
\n
\n
fruits =<\/span> [<\/span>‘apple’<\/span>,<\/span> ‘banana’<\/span>,<\/span> ‘mango’<\/span>]<\/span><\/div>\n<\/li>\n
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for<\/span> fruit in<\/span> fruits:<\/div>\n<\/li>\n
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print<\/span>(<\/span>fruit.capitalize<\/span>(<\/span>)<\/span>)<\/span><\/div>\n<\/li>\n
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<\/div>\n<\/li>\n
\n
# Output: Apple<\/span><\/div>\n<\/li>\n
\n
# Banana<\/span><\/div>\n<\/li>\n
\n
# Mango<\/span><\/div>\n<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n
GeSHi © Codebox Plus Extension<\/div>\n<\/div>\n
\u8fd9\u662f\u4e00\u4e2afor\u5faa\u73af\u975e\u5e38\u57fa\u7840\u7684\u7ed3\u6784\u3002\u73b0\u5728\u6211\u4eec\u7ee7\u7eed\u770b\u770b\uff0cPython\u7684for\u5faa\u73af\u7684\u4e00\u4e9b\u9c9c\u4e3a\u4eba\u6240\u77e5\u7684\u7279\u6027\u3002 <\/p>\n
else\u4ece\u53e5<\/span><\/strong>
\nfor\u5faa\u73af\u8fd8\u6709\u4e00\u4e2aelse\u4ece\u53e5\uff0c\u6211\u4eec\u5927\u591a\u6570\u4eba\u5e76\u4e0d\u719f\u6089\u3002\u8fd9\u4e2aelse\u4ece\u53e5\u4f1a\u5728\u5faa\u73af\u6b63\u5e38\u7ed3\u675f\u65f6\u6267\u884c\u3002\u8fd9\u610f\u5473\u7740\uff0c\u5faa\u73af\u6ca1\u6709\u9047\u5230\u4efb\u4f55break. \u4e00\u65e6\u4f60\u638c\u63e1\u4e86\u4f55\u65f6\u4f55\u5730\u4f7f\u7528\u5b83\uff0c\u5b83\u771f\u7684\u4f1a\u975e\u5e38\u6709\u7528\u3002\u6211\u81ea\u5df1\u5bf9\u5b83\u771f\u662f\u76f8\u89c1\u6068\u665a\u3002<\/p>\n
\u6709\u4e2a\u5e38\u89c1\u7684\u6784\u9020\u662f\u8dd1\u4e00\u4e2a\u5faa\u73af\uff0c\u5e76\u67e5\u627e\u4e00\u4e2a\u5143\u7d20\u3002\u5982\u679c\u8fd9\u4e2a\u5143\u7d20\u88ab\u627e\u5230\u4e86\uff0c\u6211\u4eec\u4f7f\u7528break\u6765\u4e2d\u65ad\u8fd9\u4e2a\u5faa\u73af\u3002\u6709\u4e24\u4e2a\u573a\u666f\u4f1a\u8ba9\u5faa\u73af\u505c\u4e0b\u6765\u3002 – \u7b2c\u4e00\u4e2a\u662f\u5f53\u4e00\u4e2a\u5143\u7d20\u88ab\u627e\u5230\uff0cbreak\u88ab\u89e6\u53d1\u3002 – \u7b2c\u4e8c\u4e2a\u573a\u666f\u662f\u5faa\u73af\u7ed3\u675f\u3002<\/p>\n
\u73b0\u5728\u6211\u4eec\u4e5f\u8bb8\u60f3\u77e5\u9053\u5176\u4e2d\u54ea\u4e00\u4e2a\uff0c\u624d\u662f\u5bfc\u81f4\u5faa\u73af\u5b8c\u6210\u7684\u539f\u56e0\u3002\u4e00\u4e2a\u65b9\u6cd5\u662f\u5148\u8bbe\u7f6e\u4e00\u4e2a\u6807\u8bb0\uff0c\u7136\u540e\u5728\u5faa\u73af\u7ed3\u675f\u65f6\u6253\u4e0a\u6807\u8bb0\u3002\u53e6\u4e00\u4e2a\u662f\u4f7f\u7528else\u4ece\u53e5\u3002<\/p>\n
\u8fd9\u5c31\u662ffor\/else\u5faa\u73af\u7684\u57fa\u672c\u7ed3\u6784\uff1a<\/p>\n
\n
Code: <\/strong>[\u5168\u9009]<\/a> [Expand\/Collapse]<\/a><\/div>\n
\n
\n
\n
\n
\n
for<\/span> item in<\/span> container:<\/div>\n<\/li>\n
\n
if<\/span> search_something(<\/span>item)<\/span>:<\/div>\n<\/li>\n
\n
# Found it!<\/span><\/div>\n<\/li>\n
\n
process(<\/span>item)<\/span><\/div>\n<\/li>\n
\n
break<\/span><\/div>\n<\/li>\n
\n
else<\/span>:<\/div>\n<\/li>\n
\n
# Didn’t find anything..<\/span><\/div>\n<\/li>\n
\n
not_found_in_container(<\/span>)<\/span><\/div>\n<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n
GeSHi © Codebox Plus Extension<\/div>\n<\/div>\n
\u8003\u8651\u4e0b\u8fd9\u4e2a\u7b80\u5355\u7684\u6848\u4f8b\uff0c\u5b83\u662f\u6211\u4ece\u5b98\u65b9\u6587\u6863\u91cc\u62ff\u6765\u7684\uff1a<\/p>\n
\n
Code: <\/strong>[\u5168\u9009]<\/a> [Expand\/Collapse]<\/a><\/div>\n
\n
\n
\n
\n
\n
for<\/span> n in<\/span> range<\/span>(<\/span>2<\/span>,<\/span> 10<\/span>)<\/span>:<\/div>\n<\/li>\n
\n
for<\/span> x in<\/span> range<\/span>(<\/span>2<\/span>,<\/span> n)<\/span>:<\/div>\n<\/li>\n
\n
if<\/span> n % x ==<\/span> 0<\/span>:<\/div>\n<\/li>\n
\n
print<\/span>(<\/span>n,<\/span> ‘equals’<\/span>,<\/span> x,<\/span> ‘*’<\/span>,<\/span> n\/x)<\/span><\/div>\n<\/li>\n
\n
break<\/span><\/div>\n<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n
GeSHi © Codebox Plus Extension<\/div>\n<\/div>\n
\u5b83\u4f1a\u627e\u51fa2\u523010\u4e4b\u95f4\u7684\u6570\u5b57\u7684\u56e0\u5b50\u3002\u73b0\u5728\u662f\u8da3\u5473\u73af\u8282\u4e86\u3002\u6211\u4eec\u53ef\u4ee5\u52a0\u4e0a\u4e00\u4e2a\u9644\u52a0\u7684else\u8bed\u53e5\u5757\uff0c\u6765\u6293\u4f4f\u8d28\u6570\uff0c\u5e76\u4e14\u544a\u8bc9\u6211\u4eec\uff1a<\/p>\n
\n
Code: <\/strong>[\u5168\u9009]<\/a> [Expand\/Collapse]<\/a><\/div>\n
\n
\n
\n
\n
\n
for<\/span> n in<\/span> range<\/span>(<\/span>2<\/span>,<\/span> 10<\/span>)<\/span>:<\/div>\n<\/li>\n
\n
for<\/span> x in<\/span> range<\/span>(<\/span>2<\/span>,<\/span> n)<\/span>:<\/div>\n<\/li>\n
\n
if<\/span> n % x ==<\/span> 0<\/span>:<\/div>\n<\/li>\n
\n
print<\/span>(<\/span> n,<\/span> ‘equals’<\/span>,<\/span> x,<\/span> ‘*’<\/span>,<\/span> n\/x)<\/span><\/div>\n<\/li>\n
\n
break<\/span><\/div>\n<\/li>\n
\n
else<\/span>:<\/div>\n<\/li>\n
\n
# loop fell through without finding a factor<\/span><\/div>\n<\/li>\n
\n
print<\/span>(<\/span>n,<\/span> ‘is a prime number’<\/span>)<\/span><\/div>\n<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n
GeSHi © Codebox Plus Extension<\/div>\n<\/div>\n
\u539f\u6587\u4f5c\u8005: BG6RSH | \u67e5\u770b\u539f\u5e16<\/a><\/small><\/p>\n","protected":false},"excerpt":{"rendered":"
For – Else \u5faa\u73af\u662f\u4efb\u4f55\u8bed\u8a00\u7684\u4e00\u4e2a\u5fc5\u5907\u8981\u7d20\u3002\u540c\u6837\u5730\uff0cfor\u5faa … \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[105],"tags":[],"class_list":["post-1472","post","type-post","status-publish","format-standard","hentry","category-105"],"_links":{"self":[{"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/posts\/1472","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1472"}],"version-history":[{"count":0,"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/posts\/1472\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1472"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1472"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1472"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}