![\"python\u4e2d\u5982\u4f55\u52a0\u5165\u6570\u636e\"](\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25090728\/3b9f0c69-651f-4e60-abf4-26e73aaa3ba8.webp\")
<\/p>\n<\/p>\n
\u5728Python\u4e2d\u52a0\u5165\u6570\u636e\u7684\u65b9\u5f0f\u6709\u591a\u79cd\uff0c\u8fd9\u53d6\u51b3\u4e8e\u6570\u636e\u7684\u6765\u6e90\u548c\u76ee\u6807\u6570\u636e\u7ed3\u6784\u3002\u5e38\u7528\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u5217\u8868\u3001\u5b57\u5178\u3001\u96c6\u5408\u548c\u6570\u636e\u6846\u7b49\u7ed3\u6784\u8fdb\u884c\u6570\u636e\u5b58\u50a8\u548c\u64cd\u4f5c<\/strong>\u3002\u5176\u4e2d\uff0c\u4f7f\u7528\u5217\u8868\u7684 \u5728Python\u4e2d\uff0c\u5217\u8868\u662f\u4e00\u79cd\u5e38\u7528\u7684\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u6709\u5e8f\u7684\u6570\u636e\u96c6\u3002\u8981\u5411\u5217\u8868\u4e2d\u6dfb\u52a0\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528 my_list.append(10)<\/p>\n my_list.append(20)<\/p>\n print(my_list) # \u8f93\u51fa: [10, 20]<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u6613\u7528\uff0c\u975e\u5e38\u9002\u5408\u9700\u8981\u52a8\u6001\u589e\u52a0\u6570\u636e\u7684\u573a\u666f\u3002\u63a5\u4e0b\u6765\uff0c\u672c\u6587\u5c06\u8be6\u7ec6\u63a2\u8ba8Python\u4e2d\u52a0\u5165\u6570\u636e\u7684\u5176\u4ed6\u65b9\u6cd5\u53ca\u5176\u5e94\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n \u4e00\u3001\u5217\u8868\u4e2d\u52a0\u5165\u6570\u636e<\/p>\n<\/p>\n \u5728Python\u4e2d\uff0c\u5217\u8868\u662f\u4e00\u79cd\u975e\u5e38\u7075\u6d3b\u7684\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u5b58\u50a8\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u3002\u52a0\u5165\u6570\u636e\u7684\u5e38\u7528\u65b9\u6cd5\u5305\u62ec fruits.append('orange')<\/p>\n print(fruits) # \u8f93\u51fa: ['apple', 'banana', 'orange']<\/p>\n <\/code><\/pre>\n<\/p>\n fruits.extend(['orange', 'grape'])<\/p>\n print(fruits) # \u8f93\u51fa: ['apple', 'banana', 'orange', 'grape']<\/p>\n <\/code><\/pre>\n<\/p>\n fruits.insert(1, 'orange')<\/p>\n print(fruits) # \u8f93\u51fa: ['apple', 'orange', 'banana']<\/p>\n <\/code><\/pre>\n<\/p>\n \u4e8c\u3001\u5b57\u5178\u4e2d\u52a0\u5165\u6570\u636e<\/p>\n<\/p>\n \u5b57\u5178\u662f\u4e00\u79cd\u952e\u503c\u5bf9\u5b58\u50a8\u7684\u6570\u636e\u7ed3\u6784\uff0c\u52a0\u5165\u6570\u636e\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u6307\u5b9a\u952e\u503c\u5bf9\u6216\u4f7f\u7528 \u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u4e3a\u5b57\u5178\u7684\u67d0\u4e2a\u952e\u8d4b\u503c\u6765\u6dfb\u52a0\u6216\u66f4\u65b0\u6570\u636e\u3002<\/p>\n<\/p>\n person['age'] = 30<\/p>\n print(person) # \u8f93\u51fa: {'name': 'John', 'age': 30}<\/p>\n <\/code><\/pre>\n<\/p>\n person.update({'age': 30, 'city': 'New York'})<\/p>\n print(person) # \u8f93\u51fa: {'name': 'John', 'age': 30, 'city': 'New York'}<\/p>\n <\/code><\/pre>\n<\/p>\n \u4e09\u3001\u96c6\u5408\u4e2d\u52a0\u5165\u6570\u636e<\/p>\n<\/p>\n \u96c6\u5408\u662f\u4e00\u79cd\u65e0\u5e8f\u4e14\u4e0d\u91cd\u590d\u7684\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u901a\u8fc7 numbers.add(4)<\/p>\n print(numbers) # \u8f93\u51fa: {1, 2, 3, 4}<\/p>\n <\/code><\/pre>\n<\/p>\n numbers.update([4, 5])<\/p>\n print(numbers) # \u8f93\u51fa: {1, 2, 3, 4, 5}<\/p>\n <\/code><\/pre>\n<\/p>\n \u56db\u3001Pandas\u6570\u636e\u6846\u4e2d\u52a0\u5165\u6570\u636e<\/p>\n<\/p>\n Pandas\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u6570\u636e\u5206\u6790\u5e93\uff0c\u4f7f\u7528\u6570\u636e\u6846\uff08DataFrame\uff09\u6765\u5b58\u50a8\u548c\u64cd\u4f5c\u6570\u636e\u3002\u53ef\u4ee5\u901a\u8fc7 \u53ef\u4ee5\u901a\u8fc7 df = pd.DataFrame({'A': [1, 2], 'B': [3, 4]})<\/p>\n df.loc[2] = [5, 6]<\/p>\n print(df)<\/p>\n <\/code><\/pre>\n<\/p>\n df1 = pd.DataFrame({'A': [1, 2], 'B': [3, 4]})<\/p>\n df2 = pd.DataFrame({'A': [5], 'B': [6]})<\/p>\n df = df1.append(df2, ignore_index=True)<\/p>\n print(df)<\/p>\n <\/code><\/pre>\n<\/p>\n df1 = pd.DataFrame({'A': [1, 2], 'B': [3, 4]})<\/p>\n df2 = pd.DataFrame({'A': [5, 6], 'B': [7, 8]})<\/p>\n df = pd.concat([df1, df2], ignore_index=True)<\/p>\n print(df)<\/p>\n <\/code><\/pre>\n<\/p>\n \u4e94\u3001\u6587\u4ef6\u4e2d\u52a0\u5165\u6570\u636e<\/p>\n<\/p>\n \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u6587\u4ef6\u64cd\u4f5c\u51fd\u6570\u5c06\u6570\u636e\u5199\u5165\u6587\u4ef6\u3002<\/p>\n<\/p>\n file.write('Hello, World!')<\/p>\n <\/code><\/pre>\n<\/p>\n with open('data.txt', 'w') as file:<\/p>\n file.writelines(lines)<\/p>\n <\/code><\/pre>\n<\/p>\n \u7efc\u4e0a\u6240\u8ff0\uff0c\u5728Python\u4e2d\u52a0\u5165\u6570\u636e\u7684\u65b9\u6cd5\u591a\u79cd\u591a\u6837\uff0c\u6839\u636e\u6570\u636e\u7ed3\u6784\u7684\u4e0d\u540c\u53ef\u4ee5\u9009\u62e9\u9002\u5408\u7684\u65b9\u6cd5\u6765\u8fdb\u884c\u64cd\u4f5c\u3002\u5bf9\u4e8e\u521d\u5b66\u8005\uff0c\u4e86\u89e3\u5e76\u719f\u7ec3\u638c\u63e1\u8fd9\u4e9b\u57fa\u672c\u65b9\u6cd5\u662f\u5341\u5206\u5fc5\u8981\u7684\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u7ed3\u6784\u548c\u65b9\u6cd5\uff0c\u63d0\u5347\u4ee3\u7801\u7684\u6548\u7387\u548c\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n \u5728Python\u4e2d\uff0c\u5982\u4f55\u5411\u5217\u8868\u4e2d\u6dfb\u52a0\u6570\u636e\uff1f<\/strong> \u5982\u4f55\u5728Python\u7684\u5b57\u5178\u4e2d\u6dfb\u52a0\u65b0\u7684\u952e\u503c\u5bf9\uff1f<\/strong> \u5728Python\u4e2d\u5982\u4f55\u4ece\u6587\u4ef6\u8bfb\u53d6\u6570\u636e\u5e76\u6dfb\u52a0\u5230\u96c6\u5408\u4e2d\uff1f<\/strong>append()<\/code> \u65b9\u6cd5\u3001\u5b57\u5178\u7684\u952e\u503c\u5bf9\u6dfb\u52a0\u3001\u96c6\u5408\u7684 add()<\/code> \u65b9\u6cd5\u53caPandas\u6570\u636e\u6846\u7684 loc[]<\/code> \u6216 append()<\/code> \u65b9\u6cd5\u662f\u6700\u4e3a\u5e38\u89c1\u7684\u51e0\u79cd\u65b9\u5f0f\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5176\u4e2d\u4e00\u79cd\u65b9\u6cd5\uff1a\u5728\u5217\u8868\u4e2d\u52a0\u5165\u6570\u636e\u3002<\/p>\n<\/p>\nappend()<\/code> \u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u5728\u5217\u8868\u672b\u5c3e\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u5143\u7d20\u3002\u5047\u8bbe\u6709\u4e00\u4e2a\u7a7a\u5217\u8868 my_list<\/code>\uff0c\u53ef\u4ee5\u901a\u8fc7 my_list.append(value)<\/code> \u7684\u65b9\u5f0f\u5c06\u6570\u636e\u6dfb\u52a0\u8fdb\u53bb\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\nmy_list = []<\/p>\nappend()<\/code>\u3001extend()<\/code> \u548c insert()<\/code>\u3002<\/p>\n<\/p>\n\n
append()<\/code> \u65b9\u6cd5<\/strong><\/li>\n<\/ol>\nappend()<\/code> \u65b9\u6cd5\u7528\u4e8e\u5728\u5217\u8868\u672b\u5c3e\u6dfb\u52a0\u5355\u4e2a\u5143\u7d20\u3002\u5176\u8bed\u6cd5\u4e3a list.append(element)<\/code>\uff0c\u5176\u4e2d element<\/code> \u662f\u8981\u6dfb\u52a0\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\nfruits = ['apple', 'banana']<\/p>\n\n
extend()<\/code> \u65b9\u6cd5<\/strong><\/li>\n<\/ol>\nextend()<\/code> \u65b9\u6cd5\u7528\u4e8e\u5728\u5217\u8868\u672b\u5c3e\u4e00\u6b21\u6027\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\u3002\u5176\u8bed\u6cd5\u4e3a list.extend(iterable)<\/code>\uff0c\u5176\u4e2d iterable<\/code> \u662f\u4e00\u4e2a\u53ef\u4ee5\u8fed\u4ee3\u7684\u5bf9\u8c61\uff0c\u5982\u5217\u8868\u3001\u5143\u7ec4\u6216\u96c6\u5408\u3002<\/p>\n<\/p>\nfruits = ['apple', 'banana']<\/p>\n\n
insert()<\/code> \u65b9\u6cd5<\/strong><\/li>\n<\/ol>\ninsert()<\/code> \u65b9\u6cd5\u7528\u4e8e\u5728\u5217\u8868\u7684\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u3002\u5176\u8bed\u6cd5\u4e3a list.insert(index, element)<\/code>\uff0c\u5176\u4e2d index<\/code> \u662f\u63d2\u5165\u4f4d\u7f6e\u7684\u7d22\u5f15\uff0celement<\/code> \u662f\u8981\u63d2\u5165\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\nfruits = ['apple', 'banana']<\/p>\nupdate()<\/code> \u65b9\u6cd5\u3002<\/p>\n<\/p>\n\n
person = {'name': 'John'}<\/p>\n\n
update()<\/code> \u65b9\u6cd5<\/strong><\/li>\n<\/ol>\nupdate()<\/code> \u65b9\u6cd5\u7528\u4e8e\u4e00\u6b21\u6027\u6dfb\u52a0\u591a\u4e2a\u952e\u503c\u5bf9\u3002\u5176\u8bed\u6cd5\u4e3a dict.update([other])<\/code>\uff0c\u5176\u4e2d other<\/code> \u53ef\u4ee5\u662f\u53e6\u4e00\u4e2a\u5b57\u5178\u6216\u952e\u503c\u5bf9\u7684\u53ef\u8fed\u4ee3\u5bf9\u8c61\u3002<\/p>\n<\/p>\nperson = {'name': 'John'}<\/p>\nadd()<\/code> \u548c update()<\/code> \u65b9\u6cd5\u52a0\u5165\u6570\u636e\u3002<\/p>\n<\/p>\n\n
add()<\/code> \u65b9\u6cd5<\/strong><\/li>\n<\/ol>\nadd()<\/code> \u65b9\u6cd5\u7528\u4e8e\u5728\u96c6\u5408\u4e2d\u6dfb\u52a0\u5355\u4e2a\u5143\u7d20\u3002<\/p>\n<\/p>\nnumbers = {1, 2, 3}<\/p>\n\n
update()<\/code> \u65b9\u6cd5<\/strong><\/li>\n<\/ol>\nupdate()<\/code> \u65b9\u6cd5\u7528\u4e8e\u5728\u96c6\u5408\u4e2d\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\u3002\u5176\u8bed\u6cd5\u4e3a set.update(iterable)<\/code>\u3002<\/p>\n<\/p>\nnumbers = {1, 2, 3}<\/p>\nloc[]<\/code>\u3001append()<\/code> \u548c concat()<\/code> \u7b49\u65b9\u6cd5\u52a0\u5165\u6570\u636e\u3002<\/p>\n<\/p>\n\n
loc[]<\/code> \u65b9\u6cd5<\/strong><\/li>\n<\/ol>\nloc[]<\/code> \u65b9\u6cd5\u6309\u884c\u6807\u7b7e\u6dfb\u52a0\u65b0\u884c\u3002<\/p>\n<\/p>\nimport pandas as pd<\/p>\n\n
append()<\/code> \u65b9\u6cd5<\/strong><\/li>\n<\/ol>\nappend()<\/code> \u65b9\u6cd5\u7528\u4e8e\u5728\u6570\u636e\u6846\u4e2d\u6dfb\u52a0\u4e00\u884c\u6570\u636e\u3002<\/p>\n<\/p>\nimport pandas as pd<\/p>\n\n
concat()<\/code> \u65b9\u6cd5<\/strong><\/li>\n<\/ol>\nconcat()<\/code> \u65b9\u6cd5\u7528\u4e8e\u8fde\u63a5\u591a\u4e2a\u6570\u636e\u6846\u3002<\/p>\n<\/p>\nimport pandas as pd<\/p>\n\n
write()<\/code> \u65b9\u6cd5<\/strong><\/li>\n<\/ol>\nwrite()<\/code> \u65b9\u6cd5\u7528\u4e8e\u5c06\u5b57\u7b26\u4e32\u5199\u5165\u6587\u4ef6\u3002<\/p>\n<\/p>\nwith open('data.txt', 'w') as file:<\/p>\n\n
writelines()<\/code> \u65b9\u6cd5<\/strong><\/li>\n<\/ol>\nwritelines()<\/code> \u65b9\u6cd5\u7528\u4e8e\u5c06\u4e00\u4e2a\u5b57\u7b26\u4e32\u5217\u8868\u5199\u5165\u6587\u4ef6\u3002<\/p>\n<\/p>\nlines = ['Line 1\\n', 'Line 2\\n', 'Line 3\\n']<\/p>\n\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
\u5728Python\u4e2d\uff0c\u5411\u5217\u8868\u4e2d\u6dfb\u52a0\u6570\u636e\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\u3002\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u4f7f\u7528append()<\/code>\u65b9\u6cd5\uff0c\u5b83\u53ef\u4ee5\u5c06\u5355\u4e2a\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u7684\u672b\u5c3e\u3002\u6b64\u5916\uff0cextend()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5c06\u53e6\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u4e2d\u7684\u6240\u6709\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\u3002\u5982\u679c\u9700\u8981\u5728\u7279\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528insert()<\/code>\u65b9\u6cd5\u3002\u4f8b\u5982\uff0cmy_list.append(5)<\/code>\u5c06\u6570\u5b575\u6dfb\u52a0\u5230\u5217\u8868\u7684\u672b\u5c3e\uff0c\u800cmy_list.insert(0, 5)<\/code>\u5219\u4f1a\u5c06\u6570\u5b575\u63d2\u5165\u5230\u5217\u8868\u7684\u7b2c\u4e00\u4e2a\u4f4d\u7f6e\u3002<\/p>\n
\u5728Python\u7684\u5b57\u5178\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u5730\u8d4b\u503c\u6765\u6dfb\u52a0\u65b0\u7684\u952e\u503c\u5bf9\u3002\u5982\u679c\u952e\u4e0d\u5b58\u5728\uff0c\u5c06\u81ea\u52a8\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u952e\uff1b\u5982\u679c\u952e\u5df2\u5b58\u5728\uff0c\u5219\u5176\u503c\u5c06\u88ab\u66f4\u65b0\u3002\u4f8b\u5982\uff0cmy_dict['new_key'] = 'new_value'<\/code>\u4f1a\u5728\u5b57\u5178\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u952enew_key<\/code>\uff0c\u5176\u5bf9\u5e94\u7684\u503c\u4e3anew_value<\/code>\u3002\u6b64\u5916\uff0c\u53ef\u4ee5\u4f7f\u7528update()<\/code>\u65b9\u6cd5\u5c06\u591a\u4e2a\u952e\u503c\u5bf9\u540c\u65f6\u6dfb\u52a0\u5230\u5b57\u5178\u4e2d\u3002<\/p>\n
\u53ef\u4ee5\u4f7f\u7528Python\u7684\u5185\u7f6eopen()<\/code>\u51fd\u6570\u6765\u6253\u5f00\u6587\u4ef6\uff0c\u5e76\u5229\u7528readlines()<\/code>\u65b9\u6cd5\u8bfb\u53d6\u6587\u4ef6\u4e2d\u7684\u6240\u6709\u884c\u3002\u5c06\u8bfb\u53d6\u7684\u884c\u8f6c\u6362\u4e3a\u96c6\u5408\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u96c6\u5408\u7684\u6784\u9020\u51fd\u6570\uff0c\u4f8b\u5982my_set = set(file.readlines())<\/code>\u3002\u8fd9\u79cd\u65b9\u6cd5\u4f1a\u5c06\u6587\u4ef6\u4e2d\u7684\u6bcf\u4e00\u884c\u4f5c\u4e3a\u4e00\u4e2a\u5143\u7d20\u6dfb\u52a0\u5230\u96c6\u5408\u4e2d\uff0c\u786e\u4fdd\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u662f\u552f\u4e00\u7684\u3002\u5982\u679c\u9700\u8981\u5904\u7406\u7279\u5b9a\u683c\u5f0f\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u5728\u8bfb\u53d6\u65f6\u8fdb\u884c\u6570\u636e\u6e05\u6d17\u548c\u5904\u7406\uff0c\u4ee5\u786e\u4fdd\u6dfb\u52a0\u5230\u96c6\u5408\u4e2d\u7684\u6570\u636e\u7b26\u5408\u8981\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u52a0\u5165\u6570\u636e\u7684\u65b9\u5f0f\u6709\u591a\u79cd\uff0c\u8fd9\u53d6\u51b3\u4e8e\u6570\u636e\u7684\u6765\u6e90\u548c\u76ee\u6807\u6570\u636e\u7ed3\u6784\u3002\u5e38\u7528\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u5217\u8868\u3001\u5b57\u5178\u3001\u96c6\u5408\u548c\u6570 […]","protected":false},"author":3,"featured_media":1013257,"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\/1013248"}],"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=1013248"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1013248\/revisions"}],"predecessor-version":[{"id":1013260,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1013248\/revisions\/1013260"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1013257"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1013248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1013248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1013248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}