{"id":1122191,"date":"2025-01-08T19:17:58","date_gmt":"2025-01-08T11:17:58","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1122191.html"},"modified":"2025-01-08T19:18:00","modified_gmt":"2025-01-08T11:18:00","slug":"%e5%9c%a8python%e4%b8%ad%e5%a6%82%e4%bd%95%e5%bb%ba%e4%b8%80%e4%b8%aa%e5%88%97%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1122191.html","title":{"rendered":"\u5728python\u4e2d\u5982\u4f55\u5efa\u4e00\u4e2a\u5217\u8868"},"content":{"rendered":"

\"\u5728python\u4e2d\u5982\u4f55\u5efa\u4e00\u4e2a\u5217\u8868\"<\/p>\n

\u5728Python\u4e2d\u6784\u5efa\u4e00\u4e2a\u5217\u8868\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a\u4f7f\u7528\u65b9\u62ec\u53f7\u521b\u5efa\u3001\u4f7f\u7528list()<\/code>\u51fd\u6570\u3001\u5217\u8868\u63a8\u5bfc\u5f0f\u3001\u4ece\u5176\u4ed6\u6570\u636e\u7ed3\u6784\u8f6c\u6362\u3002<\/strong> \u5176\u4e2d\uff0c\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u65b9\u62ec\u53f7\u521b\u5efa\u5217\u8868\u3002\u65b9\u62ec\u53f7\u65b9\u6cd5\u4e0d\u4ec5\u7b80\u5355\u76f4\u89c2\uff0c\u800c\u4e14\u662fPython\u4e2d\u6700\u5e38\u89c1\u7684\u521b\u5efa\u5217\u8868\u7684\u65b9\u5f0f\u3002<\/p>\n<\/p>\n

\u4f7f\u7528\u65b9\u62ec\u53f7\u521b\u5efa\u5217\u8868\uff1a<\/strong><\/p>\n

\u8fd9\u79cd\u65b9\u6cd5\u6700\u76f4\u89c2\uff0c\u4e5f\u6700\u5e38\u7528\u3002\u6bd4\u5982\u4f60\u53ef\u4ee5\u4f7f\u7528my_list = [1, 2, 3, 4, 5]<\/code>\u6765\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u4e94\u4e2a\u6574\u6570\u7684\u5217\u8868\u3002\u8fd9\u4e2a\u65b9\u6cd5\u7b80\u5355\u660e\u4e86\uff0c\u9002\u5408\u5927\u591a\u6570\u60c5\u51b5\u3002<\/p>\n<\/p>\n

\n

\u4e00\u3001\u4f7f\u7528\u65b9\u62ec\u53f7\u521b\u5efa\u5217\u8868<\/strong><\/h2>\n

\u4f7f\u7528\u65b9\u62ec\u53f7\u521b\u5efa\u5217\u8868\u662f\u4e00\u79cd\u975e\u5e38\u76f4\u63a5\u7684\u65b9\u6cd5\u3002\u53ea\u9700\u5728\u65b9\u62ec\u53f7\u4e2d\u8f93\u5165\u4f60\u60f3\u8981\u7684\u5143\u7d20\uff0c\u5e76\u7528\u9017\u53f7\u5206\u9694\u5373\u53ef\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u521b\u5efa\u5927\u591a\u6570\u7b80\u5355\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n

\u793a\u4f8b\uff1a<\/strong><\/p>\n<\/p>\n

my_list = [1, 2, 3, 4, 5]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b\u4e94\u4e2a\u6574\u6570\u7684\u5217\u8868\u3002\u4f60\u8fd8\u53ef\u4ee5\u5728\u5217\u8868\u4e2d\u6df7\u5408\u4e0d\u540c\u7684\u6570\u636e\u7c7b\u578b\uff1a<\/p>\n<\/p>\n
mixed_list = [1, "two", 3.0, True]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u5217\u8868\u5305\u542b\u4e00\u4e2a\u6574\u6570\u3001\u4e00\u4e2a\u5b57\u7b26\u4e32\u3001\u4e00\u4e2a\u6d6e\u70b9\u6570\u548c\u4e00\u4e2a\u5e03\u5c14\u503c\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528list()<\/code>\u51fd\u6570\u521b\u5efa\u5217\u8868<\/strong><\/h2>\n
list()<\/code>\u51fd\u6570\u53ef\u4ee5\u5c06\u5176\u4ed6\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u4e3a\u5217\u8868\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u5c06\u5b57\u7b26\u4e32\u3001\u5143\u7ec4\u6216\u5176\u4ed6\u53ef\u8fed\u4ee3\u5bf9\u8c61\u8f6c\u6362\u4e3a\u5217\u8868\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\uff1a<\/strong><\/p>\n<\/p>\n
# \u4ece\u5b57\u7b26\u4e32\u521b\u5efa\u5217\u8868<\/p>\n
string_list = list("hello")<\/p>\n
print(string_list)  # \u8f93\u51fa: ['h', 'e', 'l', 'l', 'o']<\/p>\n
\u4ece\u5143\u7ec4\u521b\u5efa\u5217\u8868<\/strong><\/h2>\n
tuple_list = list((1, 2, 3))<\/p>\n
print(tuple_list)  # \u8f93\u51fa: [1, 2, 3]<\/p>\n
\u4ece\u96c6\u5408\u521b\u5efa\u5217\u8868<\/strong><\/h2>\n
set_list = list({1, 2, 3})<\/p>\n
print(set_list)  # \u8f93\u51fa: [1, 2, 3]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e9b\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528list()<\/code>\u51fd\u6570\u5c06\u5b57\u7b26\u4e32\u3001\u5143\u7ec4\u548c\u96c6\u5408\u5206\u522b\u8f6c\u6362\u4e3a\u5217\u8868\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u521b\u5efa\u5217\u8868<\/strong><\/h2>\n
\u5217\u8868\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u975e\u5e38\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u6765\u521b\u5efa\u548c\u64cd\u4f5c\u5217\u8868\u3002\u5b83\u5141\u8bb8\u4f60\u5728\u4e00\u4e2a\u7b80\u77ed\u7684\u8bed\u6cd5\u4e2d\u5305\u542b\u5faa\u73af\u548c\u6761\u4ef6\u8bed\u53e5\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\uff1a<\/strong><\/p>\n<\/p>\n
# \u521b\u5efa\u4e00\u4e2a\u5305\u542b1\u523010\u7684\u5e73\u65b9\u7684\u5217\u8868<\/p>\n
squares = [x2 for x in range(1, 11)]<\/p>\n
print(squares)  # \u8f93\u51fa: [1, 4, 9, 16, 25, 36, 49, 64, 81, 100]<\/p>\n
\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u5076\u6570\u7684\u5217\u8868<\/strong><\/h2>\n
evens = [x for x in range(1, 11) if x % 2 == 0]<\/p>\n
print(evens)  # \u8f93\u51fa: [2, 4, 6, 8, 10]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5217\u8868\u63a8\u5bfc\u5f0f\u4e0d\u4ec5\u53ef\u4ee5\u7528\u6765\u521b\u5efa\u65b0\u5217\u8868\uff0c\u8fd8\u53ef\u4ee5\u7528\u6765\u8fc7\u6ee4\u548c\u4fee\u6539\u73b0\u6709\u5217\u8868\u3002<\/p>\n<\/p>\n
\u56db\u3001\u4ece\u5176\u4ed6\u6570\u636e\u7ed3\u6784\u8f6c\u6362<\/strong><\/h2>\n
\u6709\u65f6\u5019\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u5c06\u5176\u4ed6\u6570\u636e\u7ed3\u6784\uff08\u5982\u96c6\u5408\u3001\u5b57\u5178\uff09\u8f6c\u6362\u4e3a\u5217\u8868\u3002Python\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\uff1a<\/strong><\/p>\n<\/p>\n
# \u4ece\u96c6\u5408\u8f6c\u6362\u4e3a\u5217\u8868<\/p>\n
my_set = {1, 2, 3}<\/p>\n
my_list = list(my_set)<\/p>\n
print(my_list)  # \u8f93\u51fa: [1, 2, 3]<\/p>\n
\u4ece\u5b57\u5178\u7684\u952e\u8f6c\u6362\u4e3a\u5217\u8868<\/strong><\/h2>\n
my_dict = {'a': 1, 'b': 2, 'c': 3}<\/p>\n
keys_list = list(my_dict.keys())<\/p>\n
print(keys_list)  # \u8f93\u51fa: ['a', 'b', 'c']<\/p>\n
\u4ece\u5b57\u5178\u7684\u503c\u8f6c\u6362\u4e3a\u5217\u8868<\/strong><\/h2>\n
values_list = list(my_dict.values())<\/p>\n
print(values_list)  # \u8f93\u51fa: [1, 2, 3]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e9b\u65b9\u6cd5\u4e3a\u4f60\u63d0\u4f9b\u4e86\u4ece\u5176\u4ed6\u6570\u636e\u7ed3\u6784\u521b\u5efa\u5217\u8868\u7684\u7075\u6d3b\u6027\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u5217\u8868\u7684\u5e38\u89c1\u64cd\u4f5c<\/strong><\/h2>\n
\u4e86\u89e3\u5982\u4f55\u521b\u5efa\u5217\u8868\u4e4b\u540e\uff0c\u638c\u63e1\u4e00\u4e9b\u5e38\u89c1\u7684\u5217\u8868\u64cd\u4f5c\u4e5f\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u8fd9\u4e9b\u64cd\u4f5c\u5305\u62ec\u6dfb\u52a0\u5143\u7d20\u3001\u5220\u9664\u5143\u7d20\u3001\u8bbf\u95ee\u5143\u7d20\u7b49\u3002<\/p>\n<\/p>\n
\u6dfb\u52a0\u5143\u7d20<\/h2>\n<\/p>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528append()<\/code>\u3001extend()<\/code>\u548cinsert()<\/code>\u65b9\u6cd5\u6765\u6dfb\u52a0\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\uff1a<\/strong><\/p>\n<\/p>\n
# \u4f7f\u7528append()\u6dfb\u52a0\u5355\u4e2a\u5143\u7d20<\/p>\n
my_list = [1, 2, 3]<\/p>\n
my_list.append(4)<\/p>\n
print(my_list)  # \u8f93\u51fa: [1, 2, 3, 4]<\/p>\n
\u4f7f\u7528extend()\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20<\/strong><\/h2>\n
my_list.extend([5, 6])<\/p>\n
print(my_list)  # \u8f93\u51fa: [1, 2, 3, 4, 5, 6]<\/p>\n
\u4f7f\u7528insert()\u5728\u6307\u5b9a\u4f4d\u7f6e\u6dfb\u52a0\u5143\u7d20<\/strong><\/h2>\n
my_list.insert(0, 0)<\/p>\n
print(my_list)  # \u8f93\u51fa: [0, 1, 2, 3, 4, 5, 6]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5220\u9664\u5143\u7d20<\/h2>\n<\/p>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528remove()<\/code>\u3001pop()<\/code>\u548cdel<\/code>\u6765\u5220\u9664\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\uff1a<\/strong><\/p>\n<\/p>\n
# \u4f7f\u7528remove()\u5220\u9664\u6307\u5b9a\u5143\u7d20<\/p>\n
my_list.remove(0)<\/p>\n
print(my_list)  # \u8f93\u51fa: [1, 2, 3, 4, 5, 6]<\/p>\n
\u4f7f\u7528pop()\u5220\u9664\u5e76\u8fd4\u56de\u6307\u5b9a\u4f4d\u7f6e\u7684\u5143\u7d20<\/strong><\/h2>\n
popped_element = my_list.pop(0)<\/p>\n
print(popped_element)  # \u8f93\u51fa: 1<\/p>\n
print(my_list)  # \u8f93\u51fa: [2, 3, 4, 5, 6]<\/p>\n
\u4f7f\u7528del\u5220\u9664\u6307\u5b9a\u4f4d\u7f6e\u7684\u5143\u7d20<\/strong><\/h2>\n
del my_list[0]<\/p>\n
print(my_list)  # \u8f93\u51fa: [3, 4, 5, 6]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8bbf\u95ee\u5143\u7d20<\/h2>\n<\/p>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u6765\u8bbf\u95ee\u5217\u8868\u4e2d\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\uff1a<\/strong><\/p>\n<\/p>\n
# \u8bbf\u95ee\u7b2c\u4e00\u4e2a\u5143\u7d20<\/p>\n
first_element = my_list[0]<\/p>\n
print(first_element)  # \u8f93\u51fa: 3<\/p>\n
\u8bbf\u95ee\u6700\u540e\u4e00\u4e2a\u5143\u7d20<\/strong><\/h2>\n
last_element = my_list[-1]<\/p>\n
print(last_element)  # \u8f93\u51fa: 6<\/p>\n
\u8bbf\u95ee\u5b50\u5217\u8868<\/strong><\/h2>\n
sub_list = my_list[1:3]<\/p>\n
print(sub_list)  # \u8f93\u51fa: [4, 5]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\n
\u638c\u63e1\u8fd9\u4e9b\u57fa\u672c\u64cd\u4f5c\u540e\uff0c\u4f60\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u5904\u7406\u548c\u64cd\u4f5c\u5217\u8868\u3002\u8fd9\u4f7f\u5f97Python\u5728\u6570\u636e\u5904\u7406\u548c\u64cd\u4f5c\u65b9\u9762\u975e\u5e38\u5f3a\u5927\u548c\u7075\u6d3b\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u53f7[]<\/code>\u6765\u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868\u3002\u4f8b\u5982\uff0c\u60a8\u53ea\u9700\u8f93\u5165my_list = []<\/code>\u5373\u53ef\u521b\u5efa\u4e00\u4e2a\u540d\u4e3amy_list<\/code>\u7684\u7a7a\u5217\u8868\u3002\u4e4b\u540e\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7append()<\/code>\u65b9\u6cd5\u5411\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20\u3002<\/p>\n
Python\u5217\u8868\u53ef\u4ee5\u5b58\u50a8\u54ea\u4e9b\u7c7b\u578b\u7684\u6570\u636e\uff1f<\/strong>
Python\u5217\u8868\u662f\u975e\u5e38\u7075\u6d3b\u7684\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u5b58\u50a8\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5305\u62ec\u6574\u6570\u3001\u6d6e\u70b9\u6570\u3001\u5b57\u7b26\u4e32\uff0c\u751a\u81f3\u5176\u4ed6\u5217\u8868\u3002\u60a8\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u591a\u79cd\u6570\u636e\u7c7b\u578b\u7684\u5217\u8868\uff0c\u4f8b\u5982mixed_list = [1, "hello", 3.14, [1, 2, 3]]<\/code>\u3002<\/p>\n
\u5982\u4f55\u5728Python\u4e2d\u5411\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\u5411\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20\u3002append()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5c06\u5355\u4e2a\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u7684\u672b\u5c3e\uff0c\u4f8b\u5982my_list.append(5)<\/code>\u3002\u5982\u679c\u9700\u8981\u4e00\u6b21\u6027\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528extend()<\/code>\u65b9\u6cd5\uff0c\u4f8b\u5982my_list.extend([6, 7, 8])<\/code>\uff0c\u6216\u8005\u4f7f\u7528insert()<\/code>\u65b9\u6cd5\u5728\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\uff0c\u4f8b\u5982my_list.insert(0, 'new_item')<\/code>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u6784\u5efa\u4e00\u4e2a\u5217\u8868\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a\u4f7f\u7528\u65b9\u62ec\u53f7\u521b\u5efa\u3001\u4f7f\u7528list()\u51fd\u6570\u3001\u5217\u8868\u63a8\u5bfc\u5f0f\u3001\u4ece\u5176\u4ed6\u6570\u636e\u7ed3\u6784\u8f6c\u6362\u3002 […]","protected":false},"author":3,"featured_media":1122197,"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\/1122191"}],"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=1122191"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1122191\/revisions"}],"predecessor-version":[{"id":1122198,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1122191\/revisions\/1122198"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1122197"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1122191"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1122191"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1122191"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}