{"id":49810,"date":"2024-12-03T14:36:32","date_gmt":"2024-12-03T06:36:32","guid":{"rendered":"https:\/\/fwq.ai\/blog\/49810\/"},"modified":"2024-12-03T14:36:32","modified_gmt":"2024-12-03T06:36:32","slug":"python3-%e4%b8%ad-index-%e5%87%bd%e6%95%b0%e5%a6%82%e4%bd%95%e6%9f%a5%e6%89%be%e5%88%97%e8%a1%a8%e5%85%83%e7%b4%a0%e7%9a%84%e7%b4%a2%e5%bc%95%ef%bc%9f-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/49810\/","title":{"rendered":"Python3 \u4e2d index() \u51fd\u6570\u5982\u4f55\u67e5\u627e\u5217\u8868\u5143\u7d20\u7684\u7d22\u5f15\uff1f"},"content":{"rendered":"

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

Python3 \u4e2d index() \u51fd\u6570\u5982\u4f55\u67e5\u627e\u5217\u8868\u5143\u7d20\u7684\u7d22\u5f15\uff1f<\/h1>\n

\u6765\u5230\u7c73\u4e91\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aPython3 \u4e2d index() \u51fd\u6570\u5982\u4f55\u67e5\u627e\u5217\u8868\u5143\u7d20\u7684\u7d22\u5f15\uff1f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

\"Python3<\/p>\n

python3 \u4e2d index() \u51fd\u6570\u7684\u7528\u6cd5\u8be6\u89e3<\/strong><\/p>\n

\u4f7f\u7528 index() \u51fd\u6570\u53ef\u4ee5\u67e5\u627e\u5217\u8868\u4e2d\u67d0\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u503c\uff0c\u8bed\u6cd5\u4e3a\uff1a<\/p>\n

index(value, start=0, stop=len(list))<\/pre>\n
\u5176\u4e2d\uff0cvalue \u662f\u8981\u67e5\u627e\u7684\u5143\u7d20\uff0cstart \u548c stop \u8868\u793a\u9700\u8981\u641c\u7d22\u7684\u8303\u56f4\u3002<\/p>\n
\u5728\u7ed9\u5b9a\u7684\u793a\u4f8b\u4e2d\uff0c\u5217\u8868 m \u4e2d\u6709\u591a\u4e2a\u5143\u7d20 4\uff1a<\/p>\n
m = [1,2,3,4,34,4,5,6]<\/pre>\n
index() \u51fd\u6570\u67e5\u627e\u7b2c\u4e00\u4e2a\u5143\u7d20 4 \u7684\u7d22\u5f15\uff0c\u4ece\u7d22\u5f15 4 \u5230 6 \u4e4b\u95f4\uff0c\u56e0\u6b64\u8fd4\u56de\u7684\u7ed3\u679c\u4e3a 5\uff1a<\/p>\n
n = m.index(4, 4, 6)\nprint(n)  # \u8f93\u51fa 5<\/pre>\n
\u8fd9\u662f\u56e0\u4e3a\u7b2c\u4e00\u4e2a\u5143\u7d20 4 \u4f4d\u4e8e\u7d22\u5f15 5 \u5904\uff0c\u5b83\u6ee1\u8db3\u5728\u7d22\u5f15 4 \u5230 6 \u4e4b\u95f4\u67e5\u627e\u5143\u7d20 4 \u7684\u6761\u4ef6\u3002<\/p>\n
\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aPython3 \u4e2d index() \u51fd\u6570\u5982\u4f55\u67e5\u627e\u5217\u8868\u5143\u7d20\u7684\u7d22\u5f15\uff1f\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6587\u7ae0\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
Python3 \u4e2d index() \u51fd\u6570\u5982\u4f55\u67e5\u627e\u5217\u8868\u5143\u7d20\u7684\u7d22\u5f15\uff1f \u6765\u5230\u7c73\u4e91\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aPython3 \u4e2d index() \u51fd\u6570\u5982\u4f55\u67e5\u627e\u5217\u8868\u5143\u7d20\u7684\u7d22\u5f15\uff1f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01 python3 \u4e2d index() \u51fd\u6570\u7684\u7528\u6cd5\u8be6\u89e3 \u4f7f\u7528 index() \u51fd\u6570\u53ef\u4ee5\u67e5\u627e\u5217\u8868\u4e2d\u67d0\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u503c\uff0c\u8bed\u6cd5\u4e3a\uff1a index(value, start=0, stop=len(list)) \u5176\u4e2d\uff0cvalue \u662f\u8981\u67e5\u627e\u7684\u5143\u7d20\uff0cstart \u548c stop \u8868\u793a\u9700\u8981\u641c\u7d22\u7684\u8303\u56f4\u3002 \u5728\u7ed9\u5b9a\u7684\u793a\u4f8b\u4e2d\uff0c\u5217\u8868 m \u4e2d\u6709\u591a\u4e2a\u5143\u7d20 4\uff1a m = [1,2,3,4,34,4,5,6] index() \u51fd\u6570\u67e5\u627e\u7b2c\u4e00\u4e2a\u5143\u7d20 4 \u7684\u7d22\u5f15\uff0c\u4ece\u7d22\u5f15 4 \u5230 6 \u4e4b\u95f4\uff0c\u56e0\u6b64\u8fd4\u56de\u7684\u7ed3\u679c\u4e3a 5\uff1a n = m.index(4, 4, 6) print(n) # \u8f93\u51fa 5 \u8fd9\u662f\u56e0\u4e3a\u7b2c\u4e00\u4e2a\u5143\u7d20 4 \u4f4d\u4e8e\u7d22\u5f15 5 \u5904\uff0c\u5b83\u6ee1\u8db3\u5728\u7d22\u5f15 4 \u5230 […]<\/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-49810","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/49810","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=49810"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/49810\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=49810"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=49810"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=49810"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}