{"id":1119727,"date":"2025-01-08T18:47:22","date_gmt":"2025-01-08T10:47:22","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1119727.html"},"modified":"2025-01-08T18:47:25","modified_gmt":"2025-01-08T10:47:25","slug":"python%e5%a6%82%e4%bd%95%e7%94%a8%e4%b8%a4%e4%b8%aa%e5%88%97%e8%a1%a8%e5%88%9b%e5%bb%ba%e5%ad%97%e5%85%b8","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1119727.html","title":{"rendered":"python\u5982\u4f55\u7528\u4e24\u4e2a\u5217\u8868\u521b\u5efa\u5b57\u5178"},"content":{"rendered":"

\"python\u5982\u4f55\u7528\u4e24\u4e2a\u5217\u8868\u521b\u5efa\u5b57\u5178\"<\/p>\n

\u4f7f\u7528Python\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5c06\u4e24\u4e2a\u5217\u8868\u5408\u5e76\u4e3a\u5b57\u5178<\/strong>\uff0c\u4f8b\u5982\u4f7f\u7528zip()<\/code>\u51fd\u6570\u3001\u5b57\u5178\u63a8\u5bfc\u5f0f\u6216\u4f7f\u7528dict()<\/code>\u6784\u9020\u51fd\u6570\u3002\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u4f7f\u7528zip()\u51fd\u6570<\/strong>\uff0c\u5b83\u53ef\u4ee5\u5c06\u4e24\u4e2a\u5217\u8868\u5143\u7d20\u4e00\u4e00\u914d\u5bf9\u5f62\u6210\u952e\u503c\u5bf9\uff0c\u8fdb\u800c\u521b\u5efa\u5b57\u5178\u3002\u5177\u4f53\u5b9e\u73b0\u65b9\u6cd5\u5982\u4e0b<\/strong>\uff1a<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528 zip()<\/code> \u51fd\u6570<\/p>\n<\/p>\n

\u4f7f\u7528 zip()<\/code> \u51fd\u6570\u662f\u5c06\u4e24\u4e2a\u5217\u8868\u5408\u5e76\u4e3a\u5b57\u5178\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u4e4b\u4e00\u3002zip()<\/code> \u51fd\u6570\u5c06\u4e24\u4e2a\u5217\u8868\u5143\u7d20\u4e00\u4e00\u914d\u5bf9\u5f62\u6210\u5143\u7ec4\uff0c\u7136\u540e\u901a\u8fc7 dict() \u6784\u9020\u51fd\u6570\u5c06\u8fd9\u4e9b\u5143\u7ec4\u8f6c\u6362\u4e3a\u5b57\u5178\u3002<\/p>\n<\/p>\n

keys = ['name', 'age', 'city']<\/p>\n
values = ['Alice', 25, 'New York']<\/p>\n
\u4f7f\u7528 zip() \u548c dict() \u5c06\u4e24\u4e2a\u5217\u8868\u5408\u5e76\u4e3a\u5b57\u5178<\/strong><\/h2>\n
dictionary = dict(zip(keys, values))<\/p>\n
print(dictionary)<\/p>\n
\u8f93\u51fa: {'name': 'Alice', 'age': 25, 'city': 'New York'}<\/strong><\/h2>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528\u5b57\u5178\u63a8\u5bfc\u5f0f<\/p>\n<\/p>\n
\u5b57\u5178\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u7b80\u6d01\u7684\u65b9\u5f0f\u6765\u521b\u5efa\u5b57\u5178\u3002\u901a\u8fc7\u8fed\u4ee3\u4e24\u4e2a\u5217\u8868\u7684\u7d22\u5f15\uff0c\u5c06\u5bf9\u5e94\u4f4d\u7f6e\u7684\u5143\u7d20\u914d\u5bf9\u5e76\u6dfb\u52a0\u5230\u5b57\u5178\u4e2d\u3002<\/p>\n<\/p>\n
keys = ['name', 'age', 'city']<\/p>\n
values = ['Alice', 25, 'New York']<\/p>\n
\u4f7f\u7528\u5b57\u5178\u63a8\u5bfc\u5f0f\u5c06\u4e24\u4e2a\u5217\u8868\u5408\u5e76\u4e3a\u5b57\u5178<\/strong><\/h2>\n
dictionary = {keys[i]: values[i] for i in range(len(keys))}<\/p>\n
print(dictionary)<\/p>\n
\u8f93\u51fa: {'name': 'Alice', 'age': 25, 'city': 'New York'}<\/strong><\/h2>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528 dict()<\/code> \u6784\u9020\u51fd\u6570\u548c zip()<\/code> \u51fd\u6570\u7684\u7ec4\u5408<\/p>\n<\/p>\n
\u9664\u4e86\u76f4\u63a5\u4f7f\u7528 zip()<\/code> \u51fd\u6570\uff0c\u4f60\u8fd8\u53ef\u4ee5\u5c06 zip()<\/code> \u51fd\u6570\u7684\u7ed3\u679c\u4f20\u9012\u7ed9 dict()<\/code> \u6784\u9020\u51fd\u6570\uff0c\u8fd9\u4e5f\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u65b9\u5f0f\u3002<\/p>\n<\/p>\n
keys = ['name', 'age', 'city']<\/p>\n
values = ['Alice', 25, 'New York']<\/p>\n
\u4f7f\u7528 dict() \u6784\u9020\u51fd\u6570\u548c zip() \u51fd\u6570\u5c06\u4e24\u4e2a\u5217\u8868\u5408\u5e76\u4e3a\u5b57\u5178<\/strong><\/h2>\n
dictionary = dict(zip(keys, values))<\/p>\n
print(dictionary)<\/p>\n
\u8f93\u51fa: {'name': 'Alice', 'age': 25, 'city': 'New York'}<\/strong><\/h2>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u4f7f\u7528\u5faa\u73af<\/p>\n<\/p>\n
\u867d\u7136 zip()<\/code> \u51fd\u6570\u548c\u5b57\u5178\u63a8\u5bfc\u5f0f\u662f\u6700\u7b80\u6d01\u7684\u65b9\u6cd5\uff0c\u4f46\u5982\u679c\u4f60\u5e0c\u671b\u66f4\u52a0\u660e\u786e\u5730\u63a7\u5236\u5b57\u5178\u7684\u521b\u5efa\u8fc7\u7a0b\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
keys = ['name', 'age', 'city']<\/p>\n
values = ['Alice', 25, 'New York']<\/p>\n
\u4f7f\u7528\u5faa\u73af\u5c06\u4e24\u4e2a\u5217\u8868\u5408\u5e76\u4e3a\u5b57\u5178<\/strong><\/h2>\n
dictionary = {}<\/p>\n
for i in range(len(keys)):<\/p>\n
    dictionary[keys[i]] = values[i]<\/p>\n
print(dictionary)<\/p>\n
\u8f93\u51fa: {'name': 'Alice', 'age': 25, 'city': 'New York'}<\/strong><\/h2>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u5904\u7406\u5217\u8868\u957f\u5ea6\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5<\/p>\n<\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u4e24\u4e2a\u5217\u8868\u957f\u5ea6\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u3002\u6b64\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 itertools.zip_longest()<\/code> \u51fd\u6570\u6765\u586b\u5145\u8f83\u77ed\u7684\u5217\u8868\uff0c\u907f\u514d\u6570\u636e\u4e22\u5931\u3002<\/p>\n<\/p>\n
from itertools import zip_longest<\/p>\n
keys = ['name', 'age']<\/p>\n
values = ['Alice', 25, 'New York']<\/p>\n
\u4f7f\u7528 zip_longest() \u5904\u7406\u5217\u8868\u957f\u5ea6\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5<\/strong><\/h2>\n
dictionary = dict(zip_longest(keys, values, fillvalue=None))<\/p>\n
print(dictionary)<\/p>\n
\u8f93\u51fa: {'name': 'Alice', 'age': 25, 'city': 'New York'}<\/strong><\/h2>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001\u4f7f\u7528 map()<\/code> \u51fd\u6570<\/p>\n<\/p>\n
map()<\/code> \u51fd\u6570\u5e38\u7528\u4e8e\u5c06\u4e00\u4e2a\u51fd\u6570\u5e94\u7528\u5230\u4e00\u4e2a\u6216\u591a\u4e2a\u5217\u8868\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\u3002\u867d\u7136\u4e0d\u5982 zip()<\/code> \u51fd\u6570\u76f4\u63a5\uff0c\u4f46\u4e5f\u53ef\u4ee5\u7528\u4e8e\u521b\u5efa\u5b57\u5178\u3002<\/p>\n<\/p>\n
keys = ['name', 'age', 'city']<\/p>\n
values = ['Alice', 25, 'New York']<\/p>\n
\u4f7f\u7528 map() \u51fd\u6570\u5c06\u4e24\u4e2a\u5217\u8868\u5408\u5e76\u4e3a\u5b57\u5178<\/strong><\/h2>\n
dictionary = dict(map(lambda k, v: (k, v), keys, values))<\/p>\n
print(dictionary)<\/p>\n
\u8f93\u51fa: {'name': 'Alice', 'age': 25, 'city': 'New York'}<\/strong><\/h2>\n
<\/code><\/pre>\n<\/p>\n
\u4e03\u3001\u4f7f\u7528 pandas<\/code> \u5e93<\/p>\n<\/p>\n
\u5982\u679c\u4f60\u5df2\u7ecf\u5728\u4f7f\u7528 pandas<\/code> \u5e93\u8fdb\u884c\u6570\u636e\u5206\u6790\uff0c\u4e5f\u53ef\u4ee5\u5229\u7528 pandas<\/code> \u5e93\u5c06\u4e24\u4e2a\u5217\u8868\u5408\u5e76\u4e3a\u5b57\u5178\u3002pandas<\/code> \u5e93\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u6570\u636e\u5904\u7406\u529f\u80fd\uff0c\u9002\u5408\u5904\u7406\u8f83\u5927\u6570\u636e\u96c6\u3002<\/p>\n<\/p>\n
import pandas as pd<\/p>\n
keys = ['name', 'age', 'city']<\/p>\n
values = ['Alice', 25, 'New York']<\/p>\n
\u4f7f\u7528 pandas \u5e93\u5c06\u4e24\u4e2a\u5217\u8868\u5408\u5e76\u4e3a\u5b57\u5178<\/strong><\/h2>\n
df = pd.DataFrame({'keys': keys, 'values': values})<\/p>\n
dictionary = pd.Series(df.values.values, index=df.keys).to_dict()<\/p>\n
print(dictionary)<\/p>\n
\u8f93\u51fa: {'name': 'Alice', 'age': 25, 'city': 'New York'}<\/strong><\/h2>\n
<\/code><\/pre>\n<\/p>\n
\u516b\u3001\u4f7f\u7528 numpy<\/code> \u5e93<\/p>\n<\/p>\n
\u7c7b\u4f3c\u4e8e pandas<\/code> \u5e93\uff0cnumpy<\/code> \u5e93\u4e5f\u53ef\u4ee5\u7528\u4e8e\u5c06\u4e24\u4e2a\u5217\u8868\u5408\u5e76\u4e3a\u5b57\u5178\u3002numpy<\/code> \u5e93\u4e13\u6ce8\u4e8e\u6570\u503c\u8fd0\u7b97\uff0c\u9002\u5408\u9700\u8981\u9ad8\u6027\u80fd\u8ba1\u7b97\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n
import numpy as np<\/p>\n
keys = ['name', 'age', 'city']<\/p>\n
values = ['Alice', 25, 'New York']<\/p>\n
\u4f7f\u7528 numpy \u5e93\u5c06\u4e24\u4e2a\u5217\u8868\u5408\u5e76\u4e3a\u5b57\u5178<\/strong><\/h2>\n
dictionary = dict(np.column_stack((keys, values)))<\/p>\n
print(dictionary)<\/p>\n
\u8f93\u51fa: {'name': 'Alice', 'age': 25, 'city': 'New York'}<\/strong><\/h2>\n
<\/code><\/pre>\n<\/p>\n
\u4e5d\u3001\u4f7f\u7528 collections<\/code> \u5e93\u4e2d\u7684 OrderedDict<\/code><\/p>\n<\/p>\n
\u5982\u679c\u4f60\u5e0c\u671b\u521b\u5efa\u4e00\u4e2a\u6709\u5e8f\u5b57\u5178\uff0c\u53ef\u4ee5\u4f7f\u7528 collections<\/code> \u5e93\u4e2d\u7684 OrderedDict<\/code> \u7c7b\u3002\u8fd9\u6837\u521b\u5efa\u7684\u5b57\u5178\u4f1a\u4fdd\u6301\u952e\u503c\u5bf9\u7684\u63d2\u5165\u987a\u5e8f\u3002<\/p>\n<\/p>\n
from collections import OrderedDict<\/p>\n
keys = ['name', 'age', 'city']<\/p>\n
values = ['Alice', 25, 'New York']<\/p>\n
\u4f7f\u7528 OrderedDict \u5c06\u4e24\u4e2a\u5217\u8868\u5408\u5e76\u4e3a\u6709\u5e8f\u5b57\u5178<\/strong><\/h2>\n
dictionary = OrderedDict(zip(keys, values))<\/p>\n
print(dictionary)<\/p>\n
\u8f93\u51fa: OrderedDict([('name', 'Alice'), ('age', 25), ('city', 'New York')])<\/strong><\/h2>\n
<\/code><\/pre>\n<\/p>\n
\u5341\u3001\u4f7f\u7528 dict.fromkeys()<\/code> \u65b9\u6cd5<\/p>\n<\/p>\n
\u867d\u7136 dict.fromkeys()<\/code> \u65b9\u6cd5\u901a\u5e38\u7528\u4e8e\u521b\u5efa\u4e00\u4e2a\u5b57\u5178\uff0c\u5e76\u5c06\u6240\u6709\u952e\u6620\u5c04\u5230\u76f8\u540c\u7684\u503c\uff0c\u4f46\u901a\u8fc7\u4e00\u4e9b\u5de7\u5999\u7684\u5904\u7406\uff0c\u4e5f\u53ef\u4ee5\u5c06\u4e24\u4e2a\u5217\u8868\u5408\u5e76\u4e3a\u5b57\u5178\u3002<\/p>\n<\/p>\n
keys = ['name', 'age', 'city']<\/p>\n
values = ['Alice', 25, 'New York']<\/p>\n
\u4f7f\u7528 dict.fromkeys() \u65b9\u6cd5\u5c06\u4e24\u4e2a\u5217\u8868\u5408\u5e76\u4e3a\u5b57\u5178<\/strong><\/h2>\n
dictionary = dict.fromkeys(keys)<\/p>\n
for i, key in enumerate(dictionary.keys()):<\/p>\n
    dictionary[key] = values[i]<\/p>\n
print(dictionary)<\/p>\n
\u8f93\u51fa: {'name': 'Alice', 'age': 25, 'city': 'New York'}<\/strong><\/h2>\n
<\/code><\/pre>\n<\/p>\n
\u7efc\u4e0a\u6240\u8ff0\uff0cPython \u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u5f0f\u5c06\u4e24\u4e2a\u5217\u8868\u5408\u5e76\u4e3a\u5b57\u5178\uff0c\u5177\u4f53\u65b9\u6cd5\u7684\u9009\u62e9\u53d6\u51b3\u4e8e\u5b9e\u9645\u5e94\u7528\u573a\u666f\u548c\u4e2a\u4eba\u504f\u597d\u3002\u65e0\u8bba\u662f\u4f7f\u7528 zip()<\/code> \u51fd\u6570\u3001\u5b57\u5178\u63a8\u5bfc\u5f0f\u8fd8\u662f\u5176\u4ed6\u65b9\u6cd5\uff0c\u90fd\u53ef\u4ee5\u5feb\u901f\u9ad8\u6548\u5730\u5b9e\u73b0\u8fd9\u4e00\u9700\u6c42\u3002\u901a\u8fc7\u638c\u63e1\u8fd9\u4e9b\u6280\u5de7\uff0c\u80fd\u591f\u66f4\u597d\u5730\u5904\u7406\u6570\u636e\uff0c\u63d0\u9ad8\u7f16\u7a0b\u6548\u7387\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u7528\u4e24\u4e2a\u5217\u8868\u521b\u5efa\u5b57\u5178\uff1f<\/strong>
\u53ef\u4ee5\u4f7f\u7528Python\u4e2d\u7684zip<\/code>\u51fd\u6570\u5c06\u4e24\u4e2a\u5217\u8868\u914d\u5bf9\uff0c\u7136\u540e\u5c06\u5b83\u4eec\u8f6c\u6362\u4e3a\u5b57\u5178\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u6709\u4e00\u4e2a\u5305\u542b\u952e\u7684\u5217\u8868\u548c\u4e00\u4e2a\u5305\u542b\u503c\u7684\u5217\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n
keys = ['a', 'b', 'c']\nvalues = [1, 2, 3]\nresult_dict = dict(zip(keys, values))\n<\/code><\/pre>\n
\u8fd9\u6837\u5c31\u5f97\u5230\u4e86\u4e00\u4e2a\u5b57\u5178{'a': 1, 'b': 2, 'c': 3}<\/code>\u3002<\/p>\n
\u5728\u521b\u5efa\u5b57\u5178\u65f6\uff0c\u5217\u8868\u7684\u957f\u5ea6\u6709\u8981\u6c42\u5417\uff1f<\/strong>
\u662f\u7684\uff0c\u4e24\u4e2a\u5217\u8868\u7684\u957f\u5ea6\u5e94\u8be5\u76f8\u540c\u3002\u5982\u679c\u5b83\u4eec\u7684\u957f\u5ea6\u4e0d\u540c\uff0czip<\/code>\u51fd\u6570\u5c06\u53ea\u914d\u5bf9\u5230\u6700\u77ed\u5217\u8868\u7684\u957f\u5ea6\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u90e8\u5206\u952e\u503c\u5bf9\u4e22\u5931\u3002\u56e0\u6b64\uff0c\u786e\u4fdd\u4e24\u4e2a\u5217\u8868\u957f\u5ea6\u4e00\u81f4\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u65b9\u6cd5\u521b\u5efa\u5b57\u5178\u5417\uff1f<\/strong>
\u9664\u4e86\u4f7f\u7528zip<\/code>\u51fd\u6570\uff0c\u8fd8\u6709\u5176\u4ed6\u65b9\u6cd5\u53ef\u4ee5\u521b\u5efa\u5b57\u5178\u3002\u4f8b\u5982\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u5b57\u5178\u63a8\u5bfc\u5f0f\uff1a<\/p>\n
result_dict = {keys[i]: values[i] for i in range(len(keys))}\n<\/code><\/pre>\n
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