{"id":1051487,"date":"2024-12-31T14:16:51","date_gmt":"2024-12-31T06:16:51","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1051487.html"},"modified":"2024-12-31T14:16:54","modified_gmt":"2024-12-31T06:16:54","slug":"python%e5%a6%82%e4%bd%95%e6%8a%8a%e5%85%83%e7%b4%a0%e8%b5%8b%e5%80%bc%e5%88%b0%e7%a9%ba%e5%88%97%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1051487.html","title":{"rendered":"python\u5982\u4f55\u628a\u5143\u7d20\u8d4b\u503c\u5230\u7a7a\u5217\u8868"},"content":{"rendered":"

\"python\u5982\u4f55\u628a\u5143\u7d20\u8d4b\u503c\u5230\u7a7a\u5217\u8868\"<\/p>\n

Python\u4e2d\u628a\u5143\u7d20\u8d4b\u503c\u5230\u7a7a\u5217\u8868\u6709\u591a\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528append()\u65b9\u6cd5\u3001+\u8fd0\u7b97\u7b26\u3001extend()\u65b9\u6cd5\u7b49\u6765\u5b9e\u73b0\u3002\u4ee5\u4e0b\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\u5e76\u63d0\u4f9b\u4ee3\u7801\u793a\u4f8b\u3002<\/strong><\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528append()\u65b9\u6cd5<\/p>\n

append()\u65b9\u6cd5\u7528\u4e8e\u5728\u5217\u8868\u672b\u5c3e\u6dfb\u52a0\u65b0\u7684\u5143\u7d20\u3002\u5982\u679c\u6211\u4eec\u6709\u4e00\u4e2a\u7a7a\u5217\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528append()\u65b9\u6cd5\u5c06\u65b0\u5143\u7d20\u6dfb\u52a0\u5230\u8be5\u5217\u8868\u4e2d\u3002<\/p>\n<\/p>\n

# \u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868<\/p>\n
my_list = []<\/p>\n
\u4f7f\u7528append()\u65b9\u6cd5\u6dfb\u52a0\u5143\u7d20<\/strong><\/h2>\n
my_list.append(1)<\/p>\n
my_list.append(2)<\/p>\n
my_list.append(3)<\/p>\n
print(my_list)  # \u8f93\u51fa: [1, 2, 3]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528+\u8fd0\u7b97\u7b26<\/p>\n
\u53ef\u4ee5\u4f7f\u7528+\u8fd0\u7b97\u7b26\u5c06\u4e00\u4e2a\u5143\u7d20\u6216\u591a\u4e2a\u5143\u7d20\u6dfb\u52a0\u5230\u7a7a\u5217\u8868\u4e2d\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u6837\u64cd\u4f5c\u4f1a\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n
# \u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868<\/p>\n
my_list = []<\/p>\n
\u4f7f\u7528+\u8fd0\u7b97\u7b26\u6dfb\u52a0\u5143\u7d20<\/strong><\/h2>\n
my_list = my_list + [1]<\/p>\n
my_list = my_list + [2, 3]<\/p>\n
print(my_list)  # \u8f93\u51fa: [1, 2, 3]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528extend()\u65b9\u6cd5<\/p>\n
extend()\u65b9\u6cd5\u7528\u4e8e\u4e00\u6b21\u6027\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\u5230\u5217\u8868\u4e2d\u3002\u5b83\u53ef\u4ee5\u63a5\u53d7\u4efb\u4f55\u53ef\u8fed\u4ee3\u5bf9\u8c61\u4f5c\u4e3a\u53c2\u6570\uff0c\u5e76\u5c06\u5176\u5185\u5bb9\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\u3002<\/p>\n<\/p>\n
# \u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868<\/p>\n
my_list = []<\/p>\n
\u4f7f\u7528extend()\u65b9\u6cd5\u6dfb\u52a0\u5143\u7d20<\/strong><\/h2>\n
my_list.extend([1])<\/p>\n
my_list.extend([2, 3])<\/p>\n
print(my_list)  # \u8f93\u51fa: [1, 2, 3]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u4f7f\u7528insert()\u65b9\u6cd5<\/p>\n
insert()\u65b9\u6cd5\u7528\u4e8e\u5728\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u3002\u867d\u7136\u901a\u5e38\u7528\u4e8e\u5728\u5217\u8868\u4e2d\u95f4\u63d2\u5165\u5143\u7d20\uff0c\u4f46\u4e5f\u53ef\u4ee5\u7528\u4e8e\u7a7a\u5217\u8868\u3002<\/p>\n<\/p>\n
# \u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868<\/p>\n
my_list = []<\/p>\n
\u4f7f\u7528insert()\u65b9\u6cd5\u6dfb\u52a0\u5143\u7d20<\/strong><\/h2>\n
my_list.insert(0, 1)<\/p>\n
my_list.insert(1, 2)<\/p>\n
my_list.insert(2, 3)<\/p>\n
print(my_list)  # \u8f93\u51fa: [1, 2, 3]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f<\/p>\n
\u5217\u8868\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u7b80\u6d01\u7684\u65b9\u5f0f\u6765\u521b\u5efa\u5217\u8868\u3002\u867d\u7136\u5b83\u901a\u5e38\u7528\u4e8e\u6839\u636e\u67d0\u4e2a\u6761\u4ef6\u6216\u8868\u8fbe\u5f0f\u751f\u6210\u5217\u8868\uff0c\u4f46\u4e5f\u53ef\u4ee5\u7528\u4e8e\u7a7a\u5217\u8868\u7684\u8d4b\u503c\u3002<\/p>\n<\/p>\n
# \u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u521b\u5efa\u5217\u8868<\/p>\n
my_list = [x for x in range(1, 4)]<\/p>\n
print(my_list)  # \u8f93\u51fa: [1, 2, 3]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001\u4f7f\u7528\u5faa\u73af<\/p>\n
\u901a\u8fc7\u5faa\u73af\u53ef\u4ee5\u5c06\u591a\u4e2a\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\u3002\u8fd9\u79cd\u65b9\u6cd5\u5728\u9700\u8981\u6839\u636e\u590d\u6742\u903b\u8f91\u6dfb\u52a0\u5143\u7d20\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n
# \u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868<\/p>\n
my_list = []<\/p>\n
\u4f7f\u7528\u5faa\u73af\u6dfb\u52a0\u5143\u7d20<\/strong><\/h2>\n
for i in range(1, 4):<\/p>\n
    my_list.append(i)<\/p>\n
print(my_list)  # \u8f93\u51fa: [1, 2, 3]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e03\u3001\u4f7f\u7528itertools.chAI<\/a>n<\/p>\n
itertools.chain\u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u5c06\u591a\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u8fde\u63a5\u8d77\u6765\u3002\u867d\u7136\u8fd9\u4e2a\u65b9\u6cd5\u4e0d\u5e38\u7528\u4e8e\u7b80\u5355\u7684\u5217\u8868\u8d4b\u503c\uff0c\u4f46\u5728\u4e00\u4e9b\u590d\u6742\u573a\u666f\u4e2d\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n
import itertools<\/p>\n
\u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868<\/strong><\/h2>\n
my_list = []<\/p>\n
\u4f7f\u7528itertools.chain\u6dfb\u52a0\u5143\u7d20<\/strong><\/h2>\n
my_list = list(itertools.chain(my_list, [1, 2, 3]))<\/p>\n
print(my_list)  # \u8f93\u51fa: [1, 2, 3]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516b\u3001\u4f7f\u7528\u661f\u53f7\u89e3\u5305<\/p>\n
\u661f\u53f7\u89e3\u5305\u662f\u4e00\u79cd\u5c06\u591a\u4e2a\u5143\u7d20\u89e3\u5305\u5230\u5217\u8868\u4e2d\u7684\u65b9\u6cd5\u3002\u8fd9\u79cd\u65b9\u6cd5\u5728\u9700\u8981\u5c06\u73b0\u6709\u5217\u8868\u6216\u5143\u7ec4\u7684\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n
# \u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868<\/p>\n
my_list = []<\/p>\n
\u4f7f\u7528\u661f\u53f7\u89e3\u5305\u6dfb\u52a0\u5143\u7d20<\/strong><\/h2>\n
my_list = [*my_list, 1, 2, 3]<\/p>\n
print(my_list)  # \u8f93\u51fa: [1, 2, 3]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e5d\u3001\u4f7f\u7528+\u8fd0\u7b97\u7b26\u548c\u5143\u7ec4<\/p>\n
\u4e0e\u4f7f\u7528+\u8fd0\u7b97\u7b26\u76f4\u63a5\u6dfb\u52a0\u5143\u7d20\u7c7b\u4f3c\uff0c\u53ef\u4ee5\u5c06\u5143\u7ec4\u4e2d\u7684\u5143\u7d20\u6dfb\u52a0\u5230\u7a7a\u5217\u8868\u4e2d\u3002<\/p>\n<\/p>\n
# \u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868<\/p>\n
my_list = []<\/p>\n
\u4f7f\u7528+\u8fd0\u7b97\u7b26\u548c\u5143\u7ec4\u6dfb\u52a0\u5143\u7d20<\/strong><\/h2>\n
my_list = my_list + (1, 2, 3)<\/p>\n
print(my_list)  # \u8f93\u51fa: [1, 2, 3]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5341\u3001\u4f7f\u7528enumerate<\/p>\n
enumerate\u51fd\u6570\u901a\u5e38\u7528\u4e8e\u5728\u904d\u5386\u5217\u8868\u65f6\u83b7\u53d6\u7d22\u5f15\u548c\u503c\u3002\u867d\u7136\u4e0d\u5e38\u7528\u4e8e\u7a7a\u5217\u8868\u8d4b\u503c\uff0c\u4f46\u5728\u7279\u5b9a\u573a\u666f\u4e2d\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n
# \u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868<\/p>\n
my_list = []<\/p>\n
\u4f7f\u7528enumerate\u6dfb\u52a0\u5143\u7d20<\/strong><\/h2>\n
for index, value in enumerate([1, 2, 3]):<\/p>\n
    my_list.append(value)<\/p>\n
print(my_list)  # \u8f93\u51fa: [1, 2, 3]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u603b\u7ed3<\/strong><\/p>\n
\u5728Python\u4e2d\uff0c\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5c06\u5143\u7d20\u8d4b\u503c\u5230\u7a7a\u5217\u8868\u4e2d\u3002\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u6bd4\u5982\u4f7f\u7528append()\u65b9\u6cd5\u3001+\u8fd0\u7b97\u7b26\u3001extend()\u65b9\u6cd5\u7b49\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u72ec\u7279\u7684\u4f18\u70b9\u548c\u4f7f\u7528\u573a\u666f\uff0c\u638c\u63e1\u8fd9\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u7075\u6d3b\u5730\u64cd\u4f5c\u5217\u8868\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868\u5e76\u6dfb\u52a0\u5143\u7d20\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u7a7a\u7684\u65b9\u62ec\u53f7[]<\/code>\u6765\u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868\u3002\u8981\u5411\u8fd9\u4e2a\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528append()<\/code>\u65b9\u6cd5\u3002\u4f8b\u5982\uff1a  <\/p>\n
my_list = []  # \u521b\u5efa\u7a7a\u5217\u8868\nmy_list.append(1)  # \u6dfb\u52a0\u5143\u7d201\nmy_list.append(2)  # \u6dfb\u52a0\u5143\u7d202\nprint(my_list)  # \u8f93\u51fa: [1, 2]\n<\/code><\/pre>\n
\u6709\u54ea\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u5411\u7a7a\u5217\u8868\u4e2d\u63d2\u5165\u591a\u4e2a\u5143\u7d20\uff1f<\/strong>
\u9664\u4e86append()<\/code>\uff0cPython\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u63d2\u5165\u591a\u4e2a\u5143\u7d20\u3002\u53ef\u4ee5\u4f7f\u7528extend()<\/code>\u65b9\u6cd5\uff0c\u5c06\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u7684\u6240\u6709\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\u3002\u4f8b\u5982\uff1a  <\/p>\n
my_list = []  # \u521b\u5efa\u7a7a\u5217\u8868\nmy_list.extend([1, 2, 3])  # \u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\nprint(my_list)  # \u8f93\u51fa: [1, 2, 3]\n<\/code><\/pre>\n
\u6b64\u5916\uff0c\u4f7f\u7528insert()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5728\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u3002<\/p>\n
\u5982\u4f55\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u521d\u59cb\u5316\u7a7a\u5217\u8868\u5e76\u8d4b\u503c\uff1f<\/strong>
\u5217\u8868\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u7b80\u6d01\u7684\u65b9\u5f0f\u6765\u521b\u5efa\u548c\u8d4b\u503c\u5217\u8868\u3002\u5982\u679c\u60f3\u8981\u4ece\u4e00\u4e2a\u8303\u56f4\u5185\u751f\u6210\u5143\u7d20\u5e76\u8d4b\u503c\u5230\u7a7a\u5217\u8868\uff0c\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a  <\/p>\n
my_list = [x for x in range(5)]  # \u751f\u62100\u52304\u7684\u5217\u8868\nprint(my_list)  # \u8f93\u51fa: [0, 1, 2, 3, 4]\n<\/code><\/pre>\n
\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u6709\u6548\u5730\u5c06\u8ba1\u7b97\u7ed3\u679c\u76f4\u63a5\u8d4b\u503c\u7ed9\u5217\u8868\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u4e2d\u628a\u5143\u7d20\u8d4b\u503c\u5230\u7a7a\u5217\u8868\u6709\u591a\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528append()\u65b9\u6cd5\u3001+\u8fd0\u7b97\u7b26\u3001extend()\u65b9\u6cd5\u7b49\u6765\u5b9e […]","protected":false},"author":3,"featured_media":1051495,"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\/1051487"}],"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=1051487"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1051487\/revisions"}],"predecessor-version":[{"id":1051497,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1051487\/revisions\/1051497"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1051495"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1051487"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1051487"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1051487"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}