{"id":1075250,"date":"2025-01-08T11:42:18","date_gmt":"2025-01-08T03:42:18","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1075250.html"},"modified":"2025-01-08T11:42:21","modified_gmt":"2025-01-08T03:42:21","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e4%b8%a4%e7%bb%84%e6%95%b0%e5%90%88%e5%b9%b6python-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1075250.html","title":{"rendered":"\u5982\u4f55\u4f7f\u4e24\u7ec4\u6570\u5408\u5e76python"},"content":{"rendered":"

\"\u5982\u4f55\u4f7f\u4e24\u7ec4\u6570\u5408\u5e76python\"<\/p>\n

\u8981\u4f7f\u4e24\u7ec4\u6570\u5408\u5e76\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528\u52a0\u53f7\u8fd0\u7b97\u7b26\u3001extend\u65b9\u6cd5\u548c\u5408\u5e76\u51fd\u6570<\/strong>\u3002\u5176\u4e2d\uff0cextend\u65b9\u6cd5\u662f\u4e00\u79cd\u9ad8\u6548\u4e14\u5e38\u7528\u7684\u65b9\u5f0f<\/strong>\u3002extend\u65b9\u6cd5\u53ef\u4ee5\u76f4\u63a5\u5c06\u4e00\u4e2a\u5217\u8868\u4e2d\u7684\u6240\u6709\u5143\u7d20\u6dfb\u52a0\u5230\u53e6\u4e00\u4e2a\u5217\u8868\u672b\u5c3e\uff0c\u907f\u514d\u4e86\u521b\u5efa\u65b0\u7684\u5217\u8868\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u6027\u80fd\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u51e0\u79cd\u4e0d\u540c\u7684\u65b9\u6cd5\u6765\u5b9e\u73b0\u4e24\u7ec4\u6570\u7684\u5408\u5e76\uff0c\u5e76\u63d0\u4f9b\u793a\u4f8b\u4ee3\u7801\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528\u52a0\u53f7\u8fd0\u7b97\u7b26<\/h3>\n<\/p>\n

\u52a0\u53f7\u8fd0\u7b97\u7b26\u662f\u4e00\u79cd\u7b80\u5355\u4e14\u76f4\u89c2\u7684\u65b9\u6cd5\uff0c\u901a\u8fc7\u5c06\u4e24\u4e2a\u5217\u8868\u76f8\u52a0\uff0c\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u3002\u5c3d\u7ba1\u8fd9\u79cd\u65b9\u6cd5\u65b9\u4fbf\u6613\u61c2\uff0c\u4f46\u5728\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u65f6\uff0c\u53ef\u80fd\u4f1a\u6d88\u8017\u66f4\u591a\u7684\u5185\u5b58\u548c\u65f6\u95f4\uff0c\u56e0\u4e3a\u5b83\u521b\u5efa\u4e86\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n

list1 = [1, 2, 3]<\/p>\n
list2 = [4, 5, 6]<\/p>\n
merged_list = list1 + list2<\/p>\n
print(merged_list)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u867d\u7136\u7b80\u6d01\uff0c\u4f46\u662f\u9700\u8981\u6ce8\u610f\u5b83\u4f1a\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u5217\u8868\uff0c\u8fd9\u5728\u5904\u7406\u5927\u6570\u636e\u65f6\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6027\u80fd\u95ee\u9898\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528extend\u65b9\u6cd5<\/h3>\n<\/p>\n
extend\u65b9\u6cd5\u76f4\u63a5\u5728\u539f\u5217\u8868\u7684\u57fa\u7840\u4e0a\u6dfb\u52a0\u53e6\u4e00\u4e2a\u5217\u8868\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff0c\u4ece\u800c\u907f\u514d\u4e86\u521b\u5efa\u65b0\u7684\u5217\u8868\uff0c\u63d0\u9ad8\u4e86\u5408\u5e76\u64cd\u4f5c\u7684\u6548\u7387\u3002\u8fd9\u79cd\u65b9\u6cd5\u5728\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u65f6\u66f4\u4e3a\u9ad8\u6548\u3002<\/p>\n<\/p>\n
list1 = [1, 2, 3]<\/p>\n
list2 = [4, 5, 6]<\/p>\n
list1.extend(list2)<\/p>\n
print(list1)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8be6\u7ec6\u63cf\u8ff0\uff1a<\/strong><\/p>\n<\/p>\n
extend\u65b9\u6cd5\u4e0d\u4f1a\u8fd4\u56de\u65b0\u5217\u8868\uff0c\u800c\u662f\u76f4\u63a5\u5728list1\u4e0a\u8fdb\u884c\u4fee\u6539\u3002\u4e5f\u5c31\u662f\u8bf4\uff0clist1\u4f1a\u88ab\u66f4\u65b0\u4ee5\u5305\u542b\u6765\u81ealist2\u7684\u6240\u6709\u5143\u7d20\u3002\u8fd9\u79cd\u65b9\u6cd5\u907f\u514d\u4e86\u521b\u5efa\u65b0\u7684\u5217\u8868\uff0c\u4ece\u800c\u8282\u7701\u4e86\u5185\u5b58\u548c\u65f6\u95f4\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f<\/h3>\n<\/p>\n
\u5217\u8868\u63a8\u5bfc\u5f0f\u4e5f\u662f\u4e00\u79cd\u5408\u5e76\u5217\u8868\u7684\u65b9\u6cd5\uff0c\u901a\u8fc7\u751f\u6210\u4e00\u4e2a\u5305\u542b\u4e24\u4e2a\u5217\u8868\u6240\u6709\u5143\u7d20\u7684\u65b0\u5217\u8868\uff0c\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u6d01\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u5408\u5e76\u3002<\/p>\n<\/p>\n
list1 = [1, 2, 3]<\/p>\n
list2 = [4, 5, 6]<\/p>\n
merged_list = [item for sublist in (list1, list2) for item in sublist]<\/p>\n
print(merged_list)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u5229\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u7684\u5f3a\u5927\u529f\u80fd\uff0c\u4e00\u884c\u4ee3\u7801\u5373\u53ef\u5b9e\u73b0\u5217\u8868\u5408\u5e76\uff0c\u9002\u7528\u4e8e\u5217\u8868\u8f83\u5c0f\u4e14\u4ee3\u7801\u7b80\u6d01\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n
\u56db\u3001\u4f7f\u7528itertools.chAI<\/a>n<\/h3>\n<\/p>\n
itertools\u6a21\u5757\u4e2d\u7684chain\u51fd\u6570\u53ef\u4ee5\u5c06\u591a\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u8fde\u63a5\u8d77\u6765\uff0c\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u53ef\u8fed\u4ee3\u5bf9\u8c61\u3002\u8fd9\u79cd\u65b9\u6cd5\u975e\u5e38\u9002\u5408\u5904\u7406\u591a\u4e2a\u5217\u8868\uff0c\u5e76\u4e14\u53ef\u4ee5\u907f\u514d\u521b\u5efa\u4e2d\u95f4\u5217\u8868\uff0c\u4ece\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<\/p>\n
import itertools<\/p>\n
list1 = [1, 2, 3]<\/p>\n
list2 = [4, 5, 6]<\/p>\n
merged_list = list(itertools.chain(list1, list2))<\/p>\n
print(merged_list)<\/p>\n
<\/code><\/pre>\n<\/p>\n
itertools.chain\u65b9\u6cd5\u901a\u8fc7\u751f\u6210\u5668\u5b9e\u73b0\uff0c\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u65f6\u5177\u6709\u663e\u8457\u7684\u6027\u80fd\u4f18\u52bf\uff0c\u56e0\u4e3a\u5b83\u4e0d\u4f1a\u7acb\u5373\u751f\u6210\u6574\u4e2a\u65b0\u5217\u8868\uff0c\u800c\u662f\u6309\u9700\u751f\u6210\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528numpy.concatenate<\/h3>\n<\/p>\n
\u5982\u679c\u4f60\u5728\u5904\u7406\u6570\u503c\u6570\u636e\uff0c\u7279\u522b\u662f\u9700\u8981\u8fdb\u884c\u5927\u91cf\u7684\u6570\u503c\u8fd0\u7b97\uff0c\u4f7f\u7528numpy\u5e93\u53ef\u80fd\u4f1a\u66f4\u9ad8\u6548\u3002numpy\u7684concatenate\u51fd\u6570\u53ef\u4ee5\u9ad8\u6548\u5730\u5408\u5e76\u6570\u7ec4\u3002<\/p>\n<\/p>\n
import numpy as np<\/p>\n
array1 = np.array([1, 2, 3])<\/p>\n
array2 = np.array([4, 5, 6])<\/p>\n
merged_array = np.concatenate((array1, array2))<\/p>\n
print(merged_array)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8be6\u7ec6\u63cf\u8ff0\uff1a<\/strong><\/p>\n<\/p>\n
numpy\u5e93\u4e13\u4e3a\u6570\u503c\u8ba1\u7b97\u8bbe\u8ba1\uff0c\u5177\u6709\u9ad8\u6548\u7684\u6570\u7ec4\u64cd\u4f5c\u529f\u80fd\u3002concatenate\u51fd\u6570\u53ef\u4ee5\u5feb\u901f\u5408\u5e76\u4e24\u4e2a\u6216\u591a\u4e2a\u6570\u7ec4\uff0c\u5bf9\u4e8e\u9700\u8981\u8fdb\u884c\u5927\u91cf\u6570\u503c\u8fd0\u7b97\u7684\u573a\u666f\u975e\u5e38\u9002\u7528\u3002<\/p>\n<\/p>\n
\u516d\u3001\u6027\u80fd\u5bf9\u6bd4\u4e0e\u9009\u62e9<\/h3>\n<\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u9700\u6c42\u548c\u6570\u636e\u89c4\u6a21\u3002\u5bf9\u4e8e\u5c0f\u89c4\u6a21\u6570\u636e\uff0c\u52a0\u53f7\u8fd0\u7b97\u7b26\u548c\u5217\u8868\u63a8\u5bfc\u5f0f\u8db3\u591f\u7b80\u6d01\uff1b\u5bf9\u4e8e\u5927\u89c4\u6a21\u6570\u636e\uff0cextend\u65b9\u6cd5\u548citertools.chain\u66f4\u4e3a\u9ad8\u6548\uff1b\u800c\u5bf9\u4e8e\u6570\u503c\u8ba1\u7b97\uff0cnumpy.concatenate\u63d0\u4f9b\u4e86\u6700\u4f73\u6027\u80fd\u3002<\/p>\n<\/p>\n
\u5728\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u65f6\uff0c\u53ef\u4ee5\u6839\u636e\u6570\u636e\u89c4\u6a21\u3001\u6027\u80fd\u9700\u6c42\u548c\u4ee3\u7801\u7b80\u6d01\u6027\u8fdb\u884c\u6743\u8861\u3002\u4ee5\u4e0b\u662f\u5404\u65b9\u6cd5\u7684\u6027\u80fd\u5bf9\u6bd4\uff1a<\/p>\n<\/p>\n
    \n
  1. \u52a0\u53f7\u8fd0\u7b97\u7b26\uff1a<\/strong> \u7b80\u5355\u76f4\u89c2\uff0c\u4f46\u751f\u6210\u65b0\u5217\u8868\uff0c\u9002\u7528\u4e8e\u5c0f\u89c4\u6a21\u6570\u636e\u3002<\/li>\n
  2. extend\u65b9\u6cd5\uff1a<\/strong> \u9ad8\u6548\u76f4\u63a5\uff0c\u5728\u539f\u5217\u8868\u4e0a\u64cd\u4f5c\uff0c\u9002\u7528\u4e8e\u5927\u89c4\u6a21\u6570\u636e\u3002<\/li>\n
  3. \u5217\u8868\u63a8\u5bfc\u5f0f\uff1a<\/strong> \u7b80\u6d01\u6613\u61c2\uff0c\u9002\u7528\u4e8e\u5c0f\u89c4\u6a21\u6570\u636e\u3002<\/li>\n
  4. itertools.chain\uff1a<\/strong> \u9ad8\u6548\u8282\u7701\u5185\u5b58\uff0c\u9002\u7528\u4e8e\u5927\u89c4\u6a21\u6570\u636e\u548c\u591a\u4e2a\u5217\u8868\u3002<\/li>\n
  5. numpy.concatenate\uff1a<\/strong> \u4e13\u4e3a\u6570\u503c\u8ba1\u7b97\u8bbe\u8ba1\uff0c\u9002\u7528\u4e8e\u6570\u503c\u8fd0\u7b97\u573a\u666f\u3002<\/li>\n<\/ol>\n
    \u4e03\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
    \u5408\u5e76\u4e24\u7ec4\u6570\u5728Python\u4e2d\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4f9b\u9009\u62e9\uff0c\u5177\u4f53\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\u53d6\u51b3\u4e8e\u6570\u636e\u89c4\u6a21\u548c\u5177\u4f53\u9700\u6c42\u3002\u52a0\u53f7\u8fd0\u7b97\u7b26\u548c\u5217\u8868\u63a8\u5bfc\u5f0f\u9002\u7528\u4e8e\u5c0f\u89c4\u6a21\u6570\u636e\uff0cextend\u65b9\u6cd5\u548citertools.chain\u9002\u7528\u4e8e\u5927\u89c4\u6a21\u6570\u636e\uff0c\u800cnumpy.concatenate\u5219\u9002\u7528\u4e8e\u6570\u503c\u8ba1\u7b97\u573a\u666f\u3002<\/p>\n<\/p>\n
    \u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u5c06\u6709\u52a9\u4e8e\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u8bfb\u6027<\/strong>\u3002\u65e0\u8bba\u662f\u9700\u8981\u9ad8\u6548\u7684\u6027\u80fd\u8fd8\u662f\u7b80\u6d01\u7684\u4ee3\u7801\uff0c\u90fd\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u6700\u9002\u5408\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
     \u5982\u4f55\u4f7f\u7528Python\u5408\u5e76\u4e24\u4e2a\u5217\u8868\uff1f<\/strong>
    \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\u6765\u5408\u5e76\u4e24\u4e2a\u5217\u8868\u3002\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u52a0\u6cd5\u8fd0\u7b97\u7b26\uff08+<\/code>\uff09\u6216extend()<\/code>\u65b9\u6cd5\u3002\u52a0\u6cd5\u8fd0\u7b97\u7b26\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5217\u8868\uff0c\u800cextend()<\/code>\u5219\u662f\u5728\u539f\u5217\u8868\u4e0a\u76f4\u63a5\u6dfb\u52a0\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n
    list1 = [1, 2, 3]\nlist2 = [4, 5, 6]\nmerged_list = list1 + list2  # \u4f7f\u7528\u52a0\u6cd5\u8fd0\u7b97\u7b26\n# \u6216\u8005\nlist1.extend(list2)  # \u4f7f\u7528extend\u65b9\u6cd5\n<\/code><\/pre>\n
    \u5408\u5e76\u540e\u7684\u7ed3\u679c\u662fmerged_list<\/code>\u5c06\u5305\u542b\u6240\u6709\u5143\u7d20\u3002<\/p>\n
    \u5728Python\u4e2d\uff0c\u5982\u4f55\u5408\u5e76\u4e24\u4e2a\u5b57\u5178\uff1f<\/strong>
    \u5408\u5e76\u5b57\u5178\u5728Python\u4e2d\u4e5f\u975e\u5e38\u7b80\u5355\u3002\u53ef\u4ee5\u4f7f\u7528update()<\/code>\u65b9\u6cd5\u6216\u8005\u4f7f\u7528\u5b57\u5178\u7684\u89e3\u5305\u529f\u80fd\uff08\u5728Python 3.5\u53ca\u4ee5\u4e0a\u7248\u672c\u4e2d\uff09\u3002\u4f8b\u5982\uff1a<\/p>\n
    dict1 = {'a': 1, 'b': 2}\ndict2 = {'b': 3, 'c': 4}\ndict1.update(dict2)  # \u4f7f\u7528update\u65b9\u6cd5\n# \u6216\u8005\nmerged_dict = {<strong>dict1, <\/strong>dict2}  # \u4f7f\u7528\u89e3\u5305\n<\/code><\/pre>\n
    \u5408\u5e76\u540e\u7684\u5b57\u5178merged_dict<\/code>\u5c06\u5305\u542b\u4e24\u4e2a\u5b57\u5178\u4e2d\u7684\u6240\u6709\u952e\u503c\u5bf9\uff0c\u82e5\u5b58\u5728\u91cd\u590d\u7684\u952e\uff0c\u540e\u8005\u7684\u503c\u5c06\u8986\u76d6\u524d\u8005\u7684\u503c\u3002<\/p>\n
    \u5982\u4f55\u5728Python\u4e2d\u5408\u5e76\u4e24\u4e2a\u96c6\u5408\uff1f<\/strong>
    \u96c6\u5408\u662fPython\u4e2d\u7528\u4e8e\u5b58\u50a8\u552f\u4e00\u5143\u7d20\u7684\u6570\u636e\u7c7b\u578b\u3002\u5408\u5e76\u4e24\u4e2a\u96c6\u5408\u53ef\u4ee5\u4f7f\u7528union()<\/code>\u65b9\u6cd5\u6216\u4f7f\u7528\u7ad6\u7ebf\u8fd0\u7b97\u7b26\uff08|<\/code>\uff09\u3002\u4f8b\u5982\uff1a<\/p>\n
    set1 = {1, 2, 3}\nset2 = {3, 4, 5}\nmerged_set = set1.union(set2)  # \u4f7f\u7528union\u65b9\u6cd5\n# \u6216\u8005\nmerged_set = set1 | set2  # \u4f7f\u7528\u7ad6\u7ebf\u8fd0\u7b97\u7b26\n<\/code><\/pre>\n
    \u5408\u5e76\u540e\u7684\u96c6\u5408merged_set<\/code>\u5c06\u53ea\u5305\u542b\u552f\u4e00\u7684\u5143\u7d20\uff0c\u5373{1, 2, 3, 4, 5}<\/code>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u8981\u4f7f\u4e24\u7ec4\u6570\u5408\u5e76\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528\u52a0\u53f7\u8fd0\u7b97\u7b26\u3001extend\u65b9\u6cd5\u548c\u5408\u5e76\u51fd\u6570\u3002\u5176\u4e2d\uff0cext […]","protected":false},"author":3,"featured_media":1075253,"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\/1075250"}],"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=1075250"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1075250\/revisions"}],"predecessor-version":[{"id":1075255,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1075250\/revisions\/1075255"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1075253"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1075250"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1075250"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1075250"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}