{"id":1051672,"date":"2024-12-31T14:18:17","date_gmt":"2024-12-31T06:18:17","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1051672.html"},"modified":"2024-12-31T14:18:19","modified_gmt":"2024-12-31T06:18:19","slug":"python%e5%a6%82%e4%bd%95%e6%8a%8a%e4%b8%a4%e4%b8%aa%e5%88%97%e8%a1%a8%e5%85%b3%e8%81%94","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1051672.html","title":{"rendered":"Python\u5982\u4f55\u628a\u4e24\u4e2a\u5217\u8868\u5173\u8054"},"content":{"rendered":"

\"Python\u5982\u4f55\u628a\u4e24\u4e2a\u5217\u8868\u5173\u8054\"<\/p>\n

Python\u5982\u4f55\u628a\u4e24\u4e2a\u5217\u8868\u5173\u8054<\/strong><\/p>\n<\/p>\n

\u5c06\u4e24\u4e2a\u5217\u8868\u5173\u8054\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5b9e\u73b0\uff0c\u5982\u4f7f\u7528zip\u51fd\u6570\u3001\u5217\u8868\u63a8\u5bfc\u5f0f\u3001\u5b57\u5178\u3001Pandas\u5e93\u7b49\u3002zip\u51fd\u6570\u3001\u5217\u8868\u63a8\u5bfc\u5f0f\u3001\u5b57\u5178\u3001Pandas\u5e93<\/strong>\u7b49\u3002\u8fd9\u4e9b\u65b9\u6cd5\u5404\u6709\u4f18\u52a3\uff0c\u5177\u4f53\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\u9700\u8981\u6839\u636e\u5b9e\u9645\u9700\u6c42\u548c\u5e94\u7528\u573a\u666f\u6765\u51b3\u5b9a\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5e76\u63a2\u8ba8\u5b83\u4eec\u7684\u4f18\u7f3a\u70b9\u3002<\/p>\n<\/p>\n

\u4e00\u3001ZIP\u51fd\u6570<\/h3>\n<\/p>\n

zip\u51fd\u6570<\/strong>\u662f\u4e00\u79cd\u5c06\u4e24\u4e2a\u6216\u591a\u4e2a\u5217\u8868\u5143\u7d20\u4e00\u4e00\u5bf9\u5e94\u5173\u8054\u8d77\u6765\u7684\u7b80\u5355\u65b9\u6cd5\u3002\u5b83\u4f1a\u5c06\u5bf9\u5e94\u4f4d\u7f6e\u7684\u5143\u7d20\u6253\u5305\u6210\u4e00\u4e2a\u5143\u7ec4\uff0c\u5e76\u8fd4\u56de\u8fd9\u4e9b\u5143\u7ec4\u7684\u8fed\u4ee3\u5668\u3002<\/p>\n<\/p>\n

\u4f7f\u7528zip\u51fd\u6570<\/h4>\n<\/p>\n

list1 = [1, 2, 3]<\/p>\n
list2 = ['a', 'b', 'c']<\/p>\n
zipped = zip(list1, list2)<\/p>\n
print(list(zipped))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
[(1, 'a'), (2, 'b'), (3, 'c')]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0czip\u51fd\u6570\u5c06\u4e24\u4e2a\u5217\u8868\u4e2d\u7684\u5143\u7d20\u6309\u4f4d\u7f6e\u4e00\u4e00\u5bf9\u5e94\u6253\u5305\u6210\u5143\u7ec4\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u5c06\u4e24\u4e2a\u5217\u8868\u7684\u5143\u7d20\u7b80\u5355\u5173\u8054\u8d77\u6765\u7684\u60c5\u51b5<\/strong>\u3002<\/p>\n<\/p>\n
\u89e3\u538b\u7f29<\/h4>\n<\/p>\n
zip\u51fd\u6570\u7684\u8fd4\u56de\u503c\u662f\u4e00\u4e2a\u8fed\u4ee3\u5668\uff0c\u53ef\u4ee5\u7528\u6765\u89e3\u538b\u7f29\u5df2\u5173\u8054\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n
zipped = zip(list1, list2)<\/p>\n
unzipped = list(zip(*zipped))<\/p>\n
print(unzipped)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
[(1, 2, 3), ('a', 'b', 'c')]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u5217\u8868\u63a8\u5bfc\u5f0f<\/h3>\n<\/p>\n
\u5217\u8868\u63a8\u5bfc\u5f0f<\/strong>\u662f\u4e00\u79cd\u4f7f\u7528\u7b80\u6d01\u7684\u8bed\u6cd5\u6765\u521b\u5efa\u5217\u8868\u7684\u65b9\u5f0f\u3002\u5b83\u4e0d\u4ec5\u53ef\u4ee5\u7528\u4e8e\u521b\u5efa\u5217\u8868\uff0c\u8fd8\u53ef\u4ee5\u7528\u4e8e\u5c06\u4e24\u4e2a\u5217\u8868\u5173\u8054\u8d77\u6765\u3002<\/p>\n<\/p>\n
\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f<\/h4>\n<\/p>\n
list1 = [1, 2, 3]<\/p>\n
list2 = ['a', 'b', 'c']<\/p>\n
combined = [(list1[i], list2[i]) for i in range(len(list1))]<\/p>\n
print(combined)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
[(1, 'a'), (2, 'b'), (3, 'c')]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u901a\u8fc7\u904d\u5386\u5217\u8868\u7684\u7d22\u5f15\uff0c\u5c06\u5bf9\u5e94\u4f4d\u7f6e\u7684\u5143\u7d20\u6253\u5305\u6210\u5143\u7ec4\u3002\u9002\u7528\u4e8e\u5217\u8868\u957f\u5ea6\u76f8\u540c\u4e14\u9700\u8981\u5bf9\u5143\u7d20\u8fdb\u884c\u5904\u7406\u7684\u60c5\u51b5<\/strong>\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u5b57\u5178<\/h3>\n<\/p>\n
\u5b57\u5178<\/strong>\u662f\u4e00\u79cd\u5c06\u952e\u503c\u5bf9\u5b58\u50a8\u5728Python\u4e2d\u7684\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u7528\u6765\u5173\u8054\u4e24\u4e2a\u5217\u8868\u3002\u4e00\u4e2a\u5217\u8868\u7684\u5143\u7d20\u53ef\u4ee5\u4f5c\u4e3a\u952e\uff0c\u53e6\u4e00\u4e2a\u5217\u8868\u7684\u5143\u7d20\u53ef\u4ee5\u4f5c\u4e3a\u503c\u3002<\/p>\n<\/p>\n
\u4f7f\u7528\u5b57\u5178<\/h4>\n<\/p>\n
list1 = [1, 2, 3]<\/p>\n
list2 = ['a', 'b', 'c']<\/p>\n
combined_dict = dict(zip(list1, list2))<\/p>\n
print(combined_dict)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
{1: 'a', 2: 'b', 3: 'c'}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u901a\u8fc7\u952e\u5feb\u901f\u67e5\u627e\u5bf9\u5e94\u503c\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
\u56db\u3001Pandas\u5e93<\/h3>\n<\/p>\n
Pandas\u5e93<\/strong>\u662f\u4e00\u4e2a\u7528\u4e8e\u6570\u636e\u64cd\u4f5c\u548c\u5206\u6790\u7684\u5f3a\u5927\u5de5\u5177\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u3002\u5b83\u7684\u6570\u636e\u7ed3\u6784DataFrame\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u4e24\u4e2a\u5217\u8868\u7684\u5173\u8054\u3002<\/p>\n<\/p>\n
\u4f7f\u7528Pandas\u5e93<\/h4>\n<\/p>\n
\u9996\u5148\uff0c\u786e\u4fdd\u5df2\u7ecf\u5b89\u88c5\u4e86Pandas\u5e93\uff1a<\/p>\n<\/p>\n
pip install pandas<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u7136\u540e\uff0c\u5c06\u4e24\u4e2a\u5217\u8868\u5173\u8054\u6210\u4e00\u4e2aDataFrame\uff1a<\/p>\n<\/p>\n
import pandas as pd<\/p>\n
list1 = [1, 2, 3]<\/p>\n
list2 = ['a', 'b', 'c']<\/p>\n
df = pd.DataFrame({'Column1': list1, 'Column2': list2})<\/p>\n
print(df)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
   Column1 Column2<\/p>\n
0        1       a<\/p>\n
1        2       b<\/p>\n
2        3       c<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u5bf9\u6570\u636e\u8fdb\u884c\u590d\u6742\u5206\u6790\u548c\u5904\u7406\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528enumerate\u51fd\u6570<\/h3>\n<\/p>\n
enumerate\u51fd\u6570<\/strong>\u53ef\u4ee5\u7528\u4e8e\u5c06\u5217\u8868\u4e2d\u7684\u5143\u7d20\u548c\u5176\u7d22\u5f15\u5173\u8054\u8d77\u6765\uff0c\u8fdb\u800c\u53ef\u4ee5\u5c06\u4e24\u4e2a\u5217\u8868\u5173\u8054\u8d77\u6765\u3002<\/p>\n<\/p>\n
\u4f7f\u7528enumerate\u51fd\u6570<\/h4>\n<\/p>\n
list1 = [1, 2, 3]<\/p>\n
list2 = ['a', 'b', 'c']<\/p>\n
combined = [(i, list1[i], list2[i]) for i in range(len(list1))]<\/p>\n
print(combined)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
[(0, 1, 'a'), (1, 2, 'b'), (2, 3, 'c')]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u7d22\u5f15\u4ee5\u53ca\u5173\u8054\u4e24\u4e2a\u5217\u8868\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
\u516d\u3001\u4f7f\u7528itertools\u5e93<\/h3>\n<\/p>\n
itertools\u5e93<\/strong>\u63d0\u4f9b\u4e86\u591a\u79cd\u7528\u4e8e\u64cd\u4f5c\u8fed\u4ee3\u5668\u7684\u51fd\u6570\uff0c\u5176\u4e2d\u7684product\u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u751f\u6210\u4e24\u4e2a\u5217\u8868\u7684\u7b1b\u5361\u5c14\u79ef\uff0c\u4ece\u800c\u5b9e\u73b0\u5173\u8054\u3002<\/p>\n<\/p>\n
\u4f7f\u7528itertools\u5e93<\/h4>\n<\/p>\n
import itertools<\/p>\n
list1 = [1, 2, 3]<\/p>\n
list2 = ['a', 'b', 'c']<\/p>\n
product = list(itertools.product(list1, list2))<\/p>\n
print(product)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
[(1, 'a'), (1, 'b'), (1, 'c'), (2, 'a'), (2, 'b'), (2, 'c'), (3, 'a'), (3, 'b'), (3, 'c')]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u751f\u6210\u4e24\u4e2a\u5217\u8868\u7684\u6240\u6709\u7ec4\u5408\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
\u603b\u7ed3<\/h3>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u5c06\u4e24\u4e2a\u5217\u8868\u5173\u8054\u8d77\u6765\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4f9b\u9009\u62e9\uff0c\u5982\u4f7f\u7528zip\u51fd\u6570\u3001\u5217\u8868\u63a8\u5bfc\u5f0f\u3001\u5b57\u5178\u3001Pandas\u5e93\u3001enumerate\u51fd\u6570\u3001itertools\u5e93\u7b49\u3002zip\u51fd\u6570\u9002\u7528\u4e8e\u7b80\u5355\u7684\u5173\u8054\u3001\u5217\u8868\u63a8\u5bfc\u5f0f\u9002\u7528\u4e8e\u9700\u8981\u5bf9\u5143\u7d20\u8fdb\u884c\u5904\u7406\u7684\u60c5\u51b5\u3001\u5b57\u5178\u9002\u7528\u4e8e\u9700\u8981\u5feb\u901f\u67e5\u627e\u7684\u60c5\u51b5\u3001Pandas\u5e93\u9002\u7528\u4e8e\u590d\u6742\u6570\u636e\u5904\u7406\u3001enumerate\u51fd\u6570\u9002\u7528\u4e8e\u9700\u8981\u7d22\u5f15\u7684\u60c5\u51b5\u3001itertools\u5e93\u9002\u7528\u4e8e\u751f\u6210\u6240\u6709\u7ec4\u5408\u7684\u60c5\u51b5<\/strong>\u3002\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u80fd\u591f\u63d0\u9ad8\u4ee3\u7801\u7684\u6548\u7387\u548c\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u5c06\u4e24\u4e2a\u5217\u8868\u5173\u8054\u6210\u5b57\u5178\uff1f<\/strong>
\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684zip()<\/code>\u51fd\u6570\u5c06\u4e24\u4e2a\u5217\u8868\u5173\u8054\u6210\u5b57\u5178\u3002\u901a\u8fc7\u5c06\u4e24\u4e2a\u5217\u8868\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9zip()<\/code>\uff0c\u53ef\u4ee5\u751f\u6210\u4e00\u4e2a\u5305\u542b\u5143\u7ec4\u7684\u8fed\u4ee3\u5668\uff0c\u6bcf\u4e2a\u5143\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u6765\u81ea\u7b2c\u4e00\u4e2a\u5217\u8868\uff0c\u7b2c\u4e8c\u4e2a\u5143\u7d20\u6765\u81ea\u7b2c\u4e8c\u4e2a\u5217\u8868\u3002\u63a5\u7740\uff0c\u53ef\u4ee5\u4f7f\u7528dict()<\/code>\u51fd\u6570\u5c06\u8fd9\u4e9b\u5143\u7ec4\u8f6c\u6362\u4e3a\u5b57\u5178\u3002\u4f8b\u5982\uff1a  <\/p>\n
keys = ['a', 'b', 'c']\nvalues = [1, 2, 3]\nresult = dict(zip(keys, values))\n<\/code><\/pre>\n
\u8fd9\u6837\uff0cresult<\/code>\u5c06\u4f1a\u662f{'a': 1, 'b': 2, 'c': 3}<\/code>\u3002<\/p>\n
\u5728Python\u4e2d\uff0c\u5982\u679c\u4e24\u4e2a\u5217\u8868\u957f\u5ea6\u4e0d\u4e00\u81f4\uff0c\u5982\u4f55\u5904\u7406\uff1f<\/strong>
\u5f53\u4e24\u4e2a\u5217\u8868\u957f\u5ea6\u4e0d\u4e00\u81f4\u65f6\uff0czip()<\/code>\u51fd\u6570\u4f1a\u4ee5\u6700\u77ed\u5217\u8868\u7684\u957f\u5ea6\u4e3a\u51c6\uff0c\u5ffd\u7565\u591a\u4f59\u7684\u5143\u7d20\u3002\u82e5\u5e0c\u671b\u4fdd\u7559\u6240\u6709\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528itertools.zip_longest()<\/code>\u65b9\u6cd5\uff0c\u5b83\u4f1a\u7528\u6307\u5b9a\u7684\u586b\u5145\u503c\u586b\u8865\u7f3a\u5931\u9879\u3002\u4f8b\u5982\uff1a  <\/p>\n
from itertools import zip_longest\nkeys = ['a', 'b', 'c']\nvalues = [1, 2]\nresult = dict(zip_longest(keys, values, fillvalue=None))\n<\/code><\/pre>\n
\u8fd9\u6837\u751f\u6210\u7684\u5b57\u5178\u4e3a{'a': 1, 'b': 2, 'c': None}<\/code>\u3002<\/p>\n
\u5728\u5c06\u4e24\u4e2a\u5217\u8868\u5173\u8054\u65f6\uff0c\u6709\u6ca1\u6709\u5176\u4ed6\u65b9\u6cd5\uff1f<\/strong>
\u9664\u4e86\u4f7f\u7528zip()<\/code>\u548czip_longest()<\/code>\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u7ed3\u5408enumerate()<\/code>\u51fd\u6570\u3002\u901a\u8fc7\u5faa\u73af\u904d\u5386\u4e00\u4e2a\u5217\u8868\u7684\u7d22\u5f15\uff0c\u53ef\u4ee5\u4ece\u7b2c\u4e8c\u4e2a\u5217\u8868\u4e2d\u83b7\u53d6\u5bf9\u5e94\u7684\u5143\u7d20\uff0c\u751f\u6210\u4e00\u4e2a\u5b57\u5178\u3002\u4f8b\u5982\uff1a  <\/p>\n
keys = ['a', 'b', 'c']\nvalues = [1, 2, 3]\nresult = {keys[i]: values[i] for i in range(len(keys))}\n<\/code><\/pre>\n
\u8fd9\u79cd\u65b9\u6cd5\u5728\u5904\u7406\u76f8\u540c\u957f\u5ea6\u7684\u5217\u8868\u65f6\u4e5f\u975e\u5e38\u6709\u6548\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u5982\u4f55\u628a\u4e24\u4e2a\u5217\u8868\u5173\u8054 \u5c06\u4e24\u4e2a\u5217\u8868\u5173\u8054\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5b9e\u73b0\uff0c\u5982\u4f7f\u7528zip\u51fd\u6570\u3001\u5217\u8868\u63a8 […]","protected":false},"author":3,"featured_media":1051680,"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\/1051672"}],"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=1051672"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1051672\/revisions"}],"predecessor-version":[{"id":1051684,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1051672\/revisions\/1051684"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1051680"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1051672"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1051672"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1051672"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}