{"id":1138415,"date":"2025-01-08T21:59:39","date_gmt":"2025-01-08T13:59:39","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1138415.html"},"modified":"2025-01-08T21:59:41","modified_gmt":"2025-01-08T13:59:41","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e6%9c%89%e6%9d%a1%e4%bb%b6%e6%8b%bc%e6%8e%a5%e4%b8%a4%e4%b8%aalist","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1138415.html","title":{"rendered":"python\u4e2d\u5982\u4f55\u6709\u6761\u4ef6\u62fc\u63a5\u4e24\u4e2alist"},"content":{"rendered":"

\"python\u4e2d\u5982\u4f55\u6709\u6761\u4ef6\u62fc\u63a5\u4e24\u4e2alist\"<\/p>\n

\u5728Python\u4e2d\uff0c\u6709\u6761\u4ef6\u62fc\u63a5\u4e24\u4e2alist\u7684\u5e38\u7528\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u3001filter<\/code>\u51fd\u6570\u3001\u4ee5\u53ca\u6761\u4ef6\u5224\u65ad\u8bed\u53e5\u3002\u8fd9\u4e9b\u65b9\u6cd5\u80fd\u591f\u6839\u636e\u7279\u5b9a\u6761\u4ef6\uff0c\u7075\u6d3b\u5730\u5c06\u4e24\u4e2a\u5217\u8868\u5408\u5e76\u5728\u4e00\u8d77\u3002<\/strong> \u5176\u4e2d\uff0c\u5217\u8868\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u7b80\u6d01\u4e14\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u8ba9\u4f60\u5728\u4e00\u884c\u4ee3\u7801\u4e2d\u5b9e\u73b0\u590d\u6742\u7684\u903b\u8f91\u3002\u4e0b\u9762\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u51e0\u79cd\u4e0d\u540c\u7684\u65b9\u6cd5\uff0c\u5e76\u7ed9\u51fa\u5b9e\u9645\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f<\/h3>\n<\/p>\n

\u5217\u8868\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u975e\u5e38\u7075\u6d3b\u548c\u7b80\u6d01\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u7528\u6765\u6839\u636e\u7279\u5b9a\u6761\u4ef6\u62fc\u63a5\u4e24\u4e2a\u5217\u8868\u3002<\/p>\n<\/p>\n

\u793a\u4f8b\u4ee3\u7801<\/h4>\n<\/p>\n

list1 = [1, 2, 3, 4]<\/p>\n
list2 = [5, 6, 7, 8]<\/p>\n
condition = lambda x: x % 2 == 0  # \u6761\u4ef6\uff1a\u5076\u6570<\/p>\n
combined_list = [x for x in list1 + list2 if condition(x)]<\/p>\n
print(combined_list)  # \u8f93\u51fa\uff1a[2, 4, 6, 8]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528filter<\/code>\u51fd\u6570<\/h3>\n<\/p>\n
filter<\/code>\u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u7b5b\u9009\u51fa\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u7684\u5143\u7d20\uff0c\u7136\u540e\u518d\u5c06\u4e24\u4e2a\u5217\u8868\u5408\u5e76\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801<\/h4>\n<\/p>\n
list1 = [1, 2, 3, 4]<\/p>\n
list2 = [5, 6, 7, 8]<\/p>\n
condition = lambda x: x % 2 == 0  # \u6761\u4ef6\uff1a\u5076\u6570<\/p>\n
filtered_list1 = list(filter(condition, list1))<\/p>\n
filtered_list2 = list(filter(condition, list2))<\/p>\n
combined_list = filtered_list1 + filtered_list2<\/p>\n
print(combined_list)  # \u8f93\u51fa\uff1a[2, 4, 6, 8]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528\u6761\u4ef6\u5224\u65ad\u8bed\u53e5<\/h3>\n<\/p>\n
\u5728\u67d0\u4e9b\u590d\u6742\u7684\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528\u6761\u4ef6\u5224\u65ad\u8bed\u53e5\u80fd\u591f\u66f4\u52a0\u7075\u6d3b\u5730\u63a7\u5236\u4e24\u4e2a\u5217\u8868\u7684\u62fc\u63a5\u65b9\u5f0f\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801<\/h4>\n<\/p>\n
list1 = [1, 2, 3, 4]<\/p>\n
list2 = [5, 6, 7, 8]<\/p>\n
condition = lambda x: x % 2 == 0  # \u6761\u4ef6\uff1a\u5076\u6570<\/p>\n
combined_list = []<\/p>\n
for x in list1:<\/p>\n
    if condition(x):<\/p>\n
        combined_list.append(x)<\/p>\n
for x in list2:<\/p>\n
    if condition(x):<\/p>\n
        combined_list.append(x)<\/p>\n
print(combined_list)  # \u8f93\u51fa\uff1a[2, 4, 6, 8]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u4f7f\u7528itertools.chAI<\/a>n<\/code><\/h3>\n<\/p>\n
itertools.chain<\/code>\u53ef\u4ee5\u5c06\u591a\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u8fde\u63a5\u8d77\u6765\uff0c\u8fd9\u6837\u53ef\u4ee5\u7b80\u5316\u4ee3\u7801\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801<\/h4>\n<\/p>\n
import itertools<\/p>\n
list1 = [1, 2, 3, 4]<\/p>\n
list2 = [5, 6, 7, 8]<\/p>\n
condition = lambda x: x % 2 == 0  # \u6761\u4ef6\uff1a\u5076\u6570<\/p>\n
combined_list = list(itertools.chain(filter(condition, list1), filter(condition, list2)))<\/p>\n
print(combined_list)  # \u8f93\u51fa\uff1a[2, 4, 6, 8]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528numpy<\/code>\u5e93<\/h3>\n<\/p>\n
\u5982\u679c\u4f60\u7684\u5217\u8868\u4e2d\u5305\u542b\u5927\u91cf\u7684\u6570\u5b57\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528numpy<\/code>\u5e93\u6765\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801<\/h4>\n<\/p>\n
import numpy as np<\/p>\n
list1 = np.array([1, 2, 3, 4])<\/p>\n
list2 = np.array([5, 6, 7, 8])<\/p>\n
condition = lambda x: x % 2 == 0  # \u6761\u4ef6\uff1a\u5076\u6570<\/p>\n
combined_list = np.concatenate((list1[list1 % 2 == 0], list2[list2 % 2 == 0]))<\/p>\n
print(combined_list)  # \u8f93\u51fa\uff1a[2 4 6 8]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001\u6269\u5c55\uff1a\u7ed3\u5408\u591a\u4e2a\u6761\u4ef6<\/h3>\n<\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u7ed3\u5408\u591a\u4e2a\u6761\u4ef6\u6765\u62fc\u63a5\u5217\u8868\u3002\u6bd4\u5982\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u7b5b\u9009\u51fa\u65e2\u662f\u5076\u6570\u53c8\u5927\u4e8e\u67d0\u4e2a\u503c\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801<\/h4>\n<\/p>\n
list1 = [1, 2, 3, 4, 10, 12]<\/p>\n
list2 = [5, 6, 7, 8, 15, 16]<\/p>\n
condition1 = lambda x: x % 2 == 0  # \u6761\u4ef61\uff1a\u5076\u6570<\/p>\n
condition2 = lambda x: x > 5       # \u6761\u4ef62\uff1a\u5927\u4e8e5<\/p>\n
combined_list = [x for x in list1 + list2 if condition1(x) and condition2(x)]<\/p>\n
print(combined_list)  # \u8f93\u51fa\uff1a[10, 12, 6, 8, 16]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u7ed3\u8bba<\/h3>\n<\/p>\n
\u901a\u8fc7\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u4f60\u53ef\u4ee5\u6839\u636e\u7279\u5b9a\u6761\u4ef6\u7075\u6d3b\u5730\u62fc\u63a5\u4e24\u4e2a\u5217\u8868\u3002\u5217\u8868\u63a8\u5bfc\u5f0f<\/strong>\u548cfilter\u51fd\u6570<\/strong>\u662f\u6700\u5e38\u7528\u7684\u65b9\u5f0f\uff0c\u6761\u4ef6\u5224\u65ad\u8bed\u53e5<\/strong>\u9002\u7528\u4e8e\u66f4\u590d\u6742\u7684\u6761\u4ef6\u7ec4\u5408\uff0citertools.chain<\/strong>\u53ef\u4ee5\u7b80\u5316\u4ee3\u7801\uff0c\u800cnumpy<\/strong>\u5e93\u5219\u9002\u7528\u4e8e\u5904\u7406\u5927\u91cf\u6570\u636e\u3002\u65e0\u8bba\u4f60\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\uff0c\u90fd\u80fd\u6709\u6548\u5730\u5b9e\u73b0\u6709\u6761\u4ef6\u5730\u62fc\u63a5\u4e24\u4e2a\u5217\u8868\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5728Python\u4e2d\uff0c\u5982\u4f55\u6839\u636e\u6761\u4ef6\u9009\u62e9\u6027\u5730\u62fc\u63a5\u4e24\u4e2a\u5217\u8868\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u548c\u6761\u4ef6\u8bed\u53e5\u6765\u9009\u62e9\u6027\u5730\u62fc\u63a5\u4e24\u4e2a\u5217\u8868\u3002\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5982\u679c\u60a8\u60f3\u5c06\u4e24\u4e2a\u5217\u8868\u4e2d\u7684\u5143\u7d20\u5408\u5e76\uff0c\u4f46\u4ec5\u5728\u7b2c\u4e00\u4e2a\u5217\u8868\u7684\u5143\u7d20\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u65f6\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u65b9\u6cd5\uff1a  <\/p>\n
list1 = [1, 2, 3, 4]\nlist2 = [5, 6, 7, 8]\nmerged_list = [x for x in list1 if x % 2 == 0] + [y for y in list2 if y > 6]\n<\/code><\/pre>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u53ea\u6709list1<\/code>\u4e2d\u5076\u6570\u548clist2<\/code>\u4e2d\u5927\u4e8e6\u7684\u5143\u7d20\u4f1a\u88ab\u62fc\u63a5\u5728\u4e00\u8d77\u3002<\/p>\n
\u5982\u4f55\u5728Python\u4e2d\u62fc\u63a5\u4e24\u4e2a\u5217\u8868\u65f6\u907f\u514d\u91cd\u590d\u5143\u7d20\uff1f<\/strong>
\u5982\u679c\u60a8\u5e0c\u671b\u5728\u62fc\u63a5\u4e24\u4e2a\u5217\u8868\u65f6\u53bb\u9664\u91cd\u590d\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u96c6\u5408\uff08set\uff09\u6765\u5b9e\u73b0\u3002\u4f8b\u5982\uff1a  <\/p>\n
list1 = [1, 2, 3, 4]\nlist2 = [3, 4, 5, 6]\nmerged_list = list(set(list1) | set(list2))\n<\/code><\/pre>\n
\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0cmerged_list<\/code>\u5c06\u53ea\u5305\u542b\u552f\u4e00\u7684\u5143\u7d20\uff0c\u5373\u4e0d\u4f1a\u6709\u91cd\u590d\u7684\u503c\u3002<\/p>\n
\u6709\u6ca1\u6709\u65b9\u6cd5\u5728\u62fc\u63a5\u5217\u8868\u65f6\u4fdd\u7559\u539f\u6709\u987a\u5e8f\uff1f<\/strong>
\u8981\u5728\u62fc\u63a5\u4e24\u4e2a\u5217\u8868\u65f6\u4fdd\u7559\u539f\u6709\u987a\u5e8f\u5e76\u53bb\u9664\u91cd\u590d\u5143\u7d20\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528collections.OrderedDict<\/code>\u6216\u7b80\u5355\u7684\u5faa\u73af\u7ed3\u6784\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a  <\/p>\n
from collections import OrderedDict\n\nlist1 = [1, 2, 3, 4]\nlist2 = [3, 4, 5, 6]\nmerged_list = list(OrderedDict.fromkeys(list1 + list2))\n<\/code><\/pre>\n
\u8fd9\u79cd\u65b9\u6cd5\u5c06\u786e\u4fdd\u62fc\u63a5\u540e\u7684\u5217\u8868\u4e2d\u5143\u7d20\u7684\u987a\u5e8f\u4e0e\u539f\u59cb\u5217\u8868\u4e00\u81f4\uff0c\u540c\u65f6\u4e5f\u53bb\u9664\u4e86\u91cd\u590d\u7684\u5143\u7d20\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u6709\u6761\u4ef6\u62fc\u63a5\u4e24\u4e2alist\u7684\u5e38\u7528\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u3001filter\u51fd\u6570\u3001\u4ee5\u53ca\u6761\u4ef6\u5224\u65ad\u8bed\u53e5\u3002\u8fd9\u4e9b […]","protected":false},"author":3,"featured_media":1138425,"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\/1138415"}],"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=1138415"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1138415\/revisions"}],"predecessor-version":[{"id":1138426,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1138415\/revisions\/1138426"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1138425"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1138415"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1138415"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1138415"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}