{"id":204344,"date":"2025-05-29T12:26:29","date_gmt":"2025-05-29T04:26:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204344\/"},"modified":"2025-05-29T12:26:29","modified_gmt":"2025-05-29T04:26:29","slug":"%e5%87%bd%e6%95%b0%e5%ae%9a%e4%b9%89%e4%b8%ad%ef%bc%8cappend-%e5%92%8c-%e6%93%8d%e4%bd%9c%e7%ac%a6%e5%9c%a8%e9%bb%98%e8%ae%a4%e5%8f%82%e6%95%b0%e4%b8%ad%e7%9a%84%e4%b8%8d%e5%90%8c%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204344\/","title":{"rendered":"\u51fd\u6570\u5b9a\u4e49\u4e2d\uff0cappend \u548c \\”+\\” \u64cd\u4f5c\u7b26\u5728\u9ed8\u8ba4\u53c2\u6570\u4e2d\u7684\u4e0d\u540c\u8868\u73b0\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

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

\u51fd\u6570\u5b9a\u4e49\u4e2d\uff0cappend \u548c \\”+\\” \u64cd\u4f5c\u7b26\u5728\u9ed8\u8ba4\u53c2\u6570\u4e2d\u7684\u4e0d\u540c\u8868\u73b0\u662f\u4ec0\u4e48\uff1f<\/h1>\n

\u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728\u6587\u7ae0\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300a\u51fd\u6570\u5b9a\u4e49\u4e2d\uff0cappend \u548c \\”+\\” \u64cd\u4f5c\u7b26\u5728\u9ed8\u8ba4\u53c2\u6570\u4e2d\u7684\u4e0d\u540c\u8868\u73b0\u662f\u4ec0\u4e48\uff1f\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/p>\n

<\/p>\n

\u5217\u8868\u4e2d append \u548c “+” \u64cd\u4f5c\u7b26\u5728\u51fd\u6570\u53c2\u6570\u4e2d\u7684\u4e0d\u540c\u8868\u73b0<\/strong><\/p>\n

\u5728\u51fd\u6570\u5b9a\u4e49\u4e2d\uff0c\u5f53\u4f7f\u7528\u9ed8\u8ba4\u53c2\u6570\u65f6\uff0c\u53ef\u53d8\u7c7b\u578b\uff08\u5982\u5217\u8868\uff09\u4f5c\u4e3a\u9ed8\u8ba4\u53c2\u6570\u53ef\u80fd\u4f1a\u5bfc\u81f4\u610f\u5916\u7684\u540e\u679c\u3002\u90a3\u4e48\uff0cappend \u548c “+” \u64cd\u4f5c\u7b26\u5728\u5b9a\u4e49\u51fd\u6570\u65f6\u7684\u4e0d\u540c\u8868\u73b0\u662f\u4ec0\u4e48\u5462\uff1f<\/p>\n

append \u64cd\u4f5c\u7b26<\/strong><\/p>\n

append \u65b9\u6cd5\u4f1a\u76f4\u63a5\u4fee\u6539\u5217\u8868\u5bf9\u8c61\uff0c\u8fd9\u4f1a\u5f71\u54cd\u51fd\u6570\u4e2d\u6240\u6709\u5bf9\u8be5\u5217\u8868\u7684\u540e\u7eed\u64cd\u4f5c\u3002\u4f8b\u5982\uff1a<\/p>\n

def zxc(a, b=[]):\n    b.append(a)\n    print(b)\n\nzxc(1)  # [1]\nzxc(2)  # [1, 2]<\/pre>\n
\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u4e3a b \u5217\u8868\u6307\u5b9a\u4e86\u4e00\u4e2a\u7a7a\u5217\u8868\u4f5c\u4e3a\u9ed8\u8ba4\u53c2\u6570\u3002\u5f53\u8c03\u7528 zxc() \u51fd\u6570\u4e00\u6b21\u65f6\uff0c\u4f1a\u5c06 1 \u8ffd\u52a0\u5230 b \u4e2d\u3002\u4e0b\u4e00\u6b21\u8c03\u7528\u65f6\uff0c\u4e4b\u524d\u6dfb\u52a0\u7684 1 \u4ecd\u7136\u5b58\u5728\u4e8e b \u4e2d\uff0c\u5e76\u4e14\u4f1a\u8ffd\u52a0 2\u3002<\/p>\n
“+” \u64cd\u4f5c\u7b26<\/strong><\/p>\n
\u76f8\u53cd\uff0c\u4f7f\u7528 “+” \u64cd\u4f5c\u7b26\u65f6\uff0c\u5b83\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u5bf9\u8c61\uff0c\u8be5\u5bf9\u8c61\u4e2d\u5305\u542b\u7b2c\u4e00\u4e2a\u5217\u8868\u7684\u5143\u7d20\u540e\u63a5\u7b2c\u4e8c\u4e2a\u5217\u8868\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n
def asd(a, b=[]):\n    b = b + [a]\n    print(b)\n\nasd(1)  # [1]\nasd(2)  # [2]<\/pre>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0cb \u5217\u8868\u88ab\u91cd\u65b0\u8d4b\u503c\u4e3a\u4e0e\u4e4b\u524d\u5143\u7d20\u8fde\u63a5\u540e\u7684\u65b0\u5217\u8868\u3002\u56e0\u6b64\uff0c\u6bcf\u6b21\u8c03\u7528\u51fd\u6570\u65f6\uff0cb \u90fd\u5305\u542b\u5f53\u524d\u51fd\u6570\u8c03\u7528\u4e2d\u6dfb\u52a0\u7684\u5143\u7d20\u3002<\/p>\n
\u603b\u7ed3<\/strong><\/p>\n
\u603b\u4e4b\uff0c\u5f53\u5b9a\u4e49\u51fd\u6570\u65f6\uff0c\u4f7f\u7528 append \u64cd\u4f5c\u7b26\u4f1a\u76f4\u63a5\u4fee\u6539\u5217\u8868\u53c2\u6570\uff0c\u800c\u4f7f\u7528 “+” \u64cd\u4f5c\u7b26\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5217\u8868\uff0c\u5176\u4e2d\u5305\u542b\u539f\u59cb\u5217\u8868\u548c\u4f20\u5165\u5143\u7d20\u7684\u8fde\u63a5\u3002<\/p>\n
\u4eca\u5929\u5173\u4e8e\u300a\u51fd\u6570\u5b9a\u4e49\u4e2d\uff0cappend \u548c \\”+\\” \u64cd\u4f5c\u7b26\u5728\u9ed8\u8ba4\u53c2\u6570\u4e2d\u7684\u4e0d\u540c\u8868\u73b0\u662f\u4ec0\u4e48\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u51fd\u6570\u5b9a\u4e49\u4e2d\uff0cappend \u548c \\...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-204344","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204344","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=204344"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204344\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204344"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204344"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204344"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}