{"id":50846,"date":"2024-12-03T11:00:17","date_gmt":"2024-12-03T03:00:17","guid":{"rendered":"https:\/\/fwq.ai\/blog\/50846\/"},"modified":"2024-12-03T11:00:17","modified_gmt":"2024-12-03T03:00:17","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-python-%e7%9a%84-for-%e5%be%aa%e7%8e%af%e5%92%8c-if-%e8%af%ad%e5%8f%a5%e4%bb%8e%e6%95%b0%e6%8d%ae%e4%b8%ad%e6%8f%90%e5%8f%96%e6%bb%a1%e8%b6%b3%e7%89%b9%e5%ae%9a","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/50846\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 Python \u7684 for \u5faa\u73af\u548c if \u8bed\u53e5\u4ece\u6570\u636e\u4e2d\u63d0\u53d6\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u7684\u6570\u636e\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u5982\u4f55\u4f7f\u7528 Python \u7684 for \u5faa\u73af\u548c if \u8bed\u53e5\u4ece\u6570\u636e\u4e2d\u63d0\u53d6\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u7684\u6570\u636e\uff1f<\/h1>\n

\u54c8\u55bd\uff01\u5927\u5bb6\u597d\uff0c\u5f88\u9ad8\u5174\u53c8\u89c1\u9762\u4e86\uff0c\u6211\u662f\u7c73\u4e91\u7684\u4e00\u540d\u4f5c\u8005\uff0c\u4eca\u5929\u7531\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\uff0c\u672c\u6587\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5927\u5bb6\u4e00\u8d77\u5b66\u4e60\u8fdb\u6b65\uff0c\u4e5f\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u3001\u70b9\u8d5e\u3001\u6536\u85cf\u3001\u8f6c\u53d1! \u4e0b\u9762\u5c31\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n

\"\u5982\u4f55\u4f7f\u7528<\/p>\n

python \u4f7f\u7528 for + if \u63d0\u53d6\u6ee1\u8db3\u6761\u4ef6\u7684\u6570\u636e<\/strong><\/p>\n

\u672c\u6587\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528 for \u5faa\u73af\u548c if \u8bed\u53e5\u4ece\u7ed9\u5b9a\u6570\u636e\u4e2d\u63d0\u53d6\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u7684\u6570\u636e\u3002<\/p>\n

\u5bf9\u4e8e\u56fe\u7247\u4e2d\u7684\u573a\u666f\uff0c\u8981\u6c42\u63d0\u53d6\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u7684\u6570\u636e\u3002\u7531\u4e8e\u5b58\u5728\u7701\u7565\u53f7\uff0c\u6211\u4eec\u65e0\u6cd5\u76f4\u63a5\u4f7f\u7528\u4e0b\u6807\u3002\u56e0\u6b64\uff0c\u53ef\u4ee5\u4f7f\u7528 for \u5faa\u73af\u548c if \u8bed\u53e5\u6765\u5b8c\u6210\u8fd9\u9879\u4efb\u52a1\u3002<\/p>\n

\u4ee5\u4e0b\u4ee3\u7801\u793a\u4f8b\u5c55\u793a\u5982\u4f55\u4f7f\u7528 for + if \u63d0\u53d6\u6570\u636e\uff1a<\/p>\n

def extract_data(data):\n    new_data = []\n    for item in data:\n        if item\u6ee1\u8db3\u6761\u4ef6:\n            new_data.append(item)\n    return new_data<\/pre>\n
\u5728\u6b64\u793a\u4f8b\u4e2d\uff0cextract_data() \u51fd\u6570\u63a5\u53d7\u4e00\u4e2a\u6570\u636e\u5217\u8868\u4f5c\u4e3a\u53c2\u6570\u3002\u5b83\u4f7f\u7528 for \u5faa\u73af\u8fed\u4ee3\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u5e76\u4f7f\u7528 if \u8bed\u53e5\u68c0\u67e5\u5143\u7d20\u662f\u5426\u6ee1\u8db3\u6307\u5b9a\u6761\u4ef6\u3002\u6ee1\u8db3\u6761\u4ef6\u7684\u5143\u7d20\u5c06\u6dfb\u52a0\u5230 new_data \u5217\u8868\u4e2d\u3002\u6700\u540e\uff0cnew_data \u8fd4\u56de\u4e86\u5305\u542b\u6ee1\u8db3\u6761\u4ef6\u7684\u6240\u6709\u5143\u7d20\u7684\u65b0\u5217\u8868\u3002<\/p>\n
\u5bf9\u4e8e\u56fe\u7247\u4e2d\u7684\u573a\u666f\uff0c\u53ef\u4ee5\u5982\u4e0b\u5b9a\u4e49\u6ee1\u8db3\u6761\u4ef6\uff1a<\/p>\n
def\u6ee1\u8db3\u6761\u4ef6(item):\n    return item > 5  # \u8fd9\u91cc\u5b9a\u4e49\u7684\u6761\u4ef6 >= 5\uff0c\u53ef\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8c03\u6574<\/pre>\n
\u901a\u8fc7\u4f7f\u7528\u4e0a\u8ff0\u51fd\u6570\uff0c\u53ef\u4ee5\u5c06\u6ee1\u8db3\u6761\u4ef6\u7684\u6570\u636e\u63d0\u53d6\u51fa\u6765\u3002<\/p>\n
\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300a\u5982\u4f55\u4f7f\u7528 Python \u7684 for \u5faa\u73af\u548c if \u8bed\u53e5\u4ece\u6570\u636e\u4e2d\u63d0\u53d6\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u7684\u6570\u636e\uff1f\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5982\u4f55\u4f7f\u7528 Python \u7684 for \u5faa\u73af\u548c if \u8bed\u53e5\u4ece\u6570\u636e\u4e2d\u63d0\u53d6\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u7684\u6570\u636e\uff1f \u54c8\u55bd\uff01\u5927\u5bb6\u597d\uff0c\u5f88\u9ad8\u5174\u53c8\u89c1\u9762\u4e86\uff0c\u6211\u662f\u7c73\u4e91\u7684\u4e00\u540d\u4f5c\u8005\uff0c\u4eca\u5929\u7531\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\uff0c\u672c\u6587\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5927\u5bb6\u4e00\u8d77\u5b66\u4e60\u8fdb\u6b65\uff0c\u4e5f\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u3001\u70b9\u8d5e\u3001\u6536\u85cf\u3001\u8f6c\u53d1! \u4e0b\u9762\u5c31\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01 python \u4f7f\u7528 for + if \u63d0\u53d6\u6ee1\u8db3\u6761\u4ef6\u7684\u6570\u636e \u672c\u6587\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528 for \u5faa\u73af\u548c if \u8bed\u53e5\u4ece\u7ed9\u5b9a\u6570\u636e\u4e2d\u63d0\u53d6\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u7684\u6570\u636e\u3002 \u5bf9\u4e8e\u56fe\u7247\u4e2d\u7684\u573a\u666f\uff0c\u8981\u6c42\u63d0\u53d6\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u7684\u6570\u636e\u3002\u7531\u4e8e\u5b58\u5728\u7701\u7565\u53f7\uff0c\u6211\u4eec\u65e0\u6cd5\u76f4\u63a5\u4f7f\u7528\u4e0b\u6807\u3002\u56e0\u6b64\uff0c\u53ef\u4ee5\u4f7f\u7528 for \u5faa\u73af\u548c if \u8bed\u53e5\u6765\u5b8c\u6210\u8fd9\u9879\u4efb\u52a1\u3002 \u4ee5\u4e0b\u4ee3\u7801\u793a\u4f8b\u5c55\u793a\u5982\u4f55\u4f7f\u7528 for + if \u63d0\u53d6\u6570\u636e\uff1a def extract_data(data): new_data = [] for item in data: if item\u6ee1\u8db3\u6761\u4ef6: new_data.append(item) return new_data \u5728\u6b64\u793a\u4f8b\u4e2d\uff0cextract_data() \u51fd\u6570\u63a5\u53d7\u4e00\u4e2a\u6570\u636e\u5217\u8868\u4f5c\u4e3a\u53c2\u6570\u3002\u5b83\u4f7f\u7528 for \u5faa\u73af\u8fed\u4ee3\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u5e76\u4f7f\u7528 if \u8bed\u53e5\u68c0\u67e5\u5143\u7d20\u662f\u5426\u6ee1\u8db3\u6307\u5b9a\u6761\u4ef6\u3002\u6ee1\u8db3\u6761\u4ef6\u7684\u5143\u7d20\u5c06\u6dfb\u52a0\u5230 new_data \u5217\u8868\u4e2d\u3002\u6700\u540e\uff0cnew_data \u8fd4\u56de\u4e86\u5305\u542b\u6ee1\u8db3\u6761\u4ef6\u7684\u6240\u6709\u5143\u7d20\u7684\u65b0\u5217\u8868\u3002 \u5bf9\u4e8e\u56fe\u7247\u4e2d\u7684\u573a\u666f\uff0c\u53ef\u4ee5\u5982\u4e0b\u5b9a\u4e49\u6ee1\u8db3\u6761\u4ef6\uff1a def\u6ee1\u8db3\u6761\u4ef6(item): […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-50846","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/50846","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=50846"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/50846\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=50846"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=50846"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=50846"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}