{"id":1057330,"date":"2024-12-31T15:07:02","date_gmt":"2024-12-31T07:07:02","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1057330.html"},"modified":"2024-12-31T15:07:04","modified_gmt":"2024-12-31T07:07:04","slug":"python%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b%e4%b8%80%e8%a1%8c%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1057330.html","title":{"rendered":"python\u5982\u4f55\u67e5\u770b\u4e00\u884c\u6570\u636e"},"content":{"rendered":"

\"python\u5982\u4f55\u67e5\u770b\u4e00\u884c\u6570\u636e\"<\/p>\n

Python\u67e5\u770b\u4e00\u884c\u6570\u636e\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528readline()<\/code>\u65b9\u6cd5\u3001\u4f7f\u7528next()<\/code>\u65b9\u6cd5\u3001\u4f7f\u7528pandas<\/code>\u5e93\u7684\u76f8\u5173\u65b9\u6cd5\u3002<\/strong> \u5176\u4e2d\uff0c\u4f7f\u7528readline()<\/code>\u65b9\u6cd5\u662f\u6700\u5e38\u89c1\u4e14\u7b80\u5355\u7684\u65b9\u6cd5\u3002readline()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u8bfb\u53d6\u6587\u4ef6\u4e2d\u7684\u4e00\u884c\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u63a5\u4e0b\u6765\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u79cd\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u5728Python\u4e2d\uff0c\u67e5\u770b\u4e00\u884c\u6570\u636e\u7684\u5e38\u89c1\u65b9\u6cd5\u4e4b\u4e00\u662f\u4f7f\u7528\u6587\u4ef6\u5bf9\u8c61\u7684readline()<\/code>\u65b9\u6cd5\u3002readline()<\/code>\u65b9\u6cd5\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u5355\u72ec\u7684\u4e00\u884c\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u5305\u62ec\u884c\u672b\u7684\u6362\u884c\u7b26\uff08\u5982\u679c\u5b58\u5728\uff09\u3002\u8fd9\u5bf9\u4e8e\u9010\u884c\u5904\u7406\u6587\u4ef6\u5185\u5bb9\u975e\u5e38\u6709\u7528\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528readline()<\/code>\u65b9\u6cd5\u67e5\u770b\u4e00\u884c\u6570\u636e\uff1a<\/p>\n<\/p>\n

# \u6253\u5f00\u6587\u4ef6\u4ee5\u8bfb\u53d6\u6a21\u5f0f<\/p>\n
with open('example.txt', 'r') as file:<\/p>\n
    # \u8bfb\u53d6\u6587\u4ef6\u4e2d\u7684\u7b2c\u4e00\u884c<\/p>\n
    first_line = file.readline()<\/p>\n
    print(first_line)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u6253\u5f00\u4e86\u4e00\u4e2a\u540d\u4e3aexample.txt<\/code>\u7684\u6587\u4ef6\uff0c\u5e76\u4f7f\u7528readline()<\/code>\u65b9\u6cd5\u8bfb\u53d6\u4e86\u6587\u4ef6\u4e2d\u7684\u7b2c\u4e00\u884c\u6570\u636e\u3002readline()<\/code>\u65b9\u6cd5\u8fd4\u56de\u7684\u5b57\u7b26\u4e32\u88ab\u8d4b\u503c\u7ed9\u53d8\u91cffirst_line<\/code>\uff0c\u7136\u540e\u6211\u4eec\u4f7f\u7528print()<\/code>\u51fd\u6570\u5c06\u5176\u6253\u5370\u51fa\u6765\u3002<\/p>\n<\/p>\n
\u4e00\u3001\u4f7f\u7528readline()<\/code>\u65b9\u6cd5<\/h2>\n<\/p>\n
readline()<\/code>\u65b9\u6cd5\u662f\u8bfb\u53d6\u6587\u4ef6\u4e2d\u4e00\u884c\u7684\u5e38\u7528\u65b9\u6cd5\u3002\u5b83\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u5355\u72ec\u7684\u4e00\u884c\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u5305\u62ec\u884c\u672b\u7684\u6362\u884c\u7b26\uff08\u5982\u679c\u5b58\u5728\uff09\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528readline()<\/code>\u65b9\u6cd5\u67e5\u770b\u4e00\u884c\u6570\u636e\uff1a<\/p>\n<\/p>\n
# \u6253\u5f00\u6587\u4ef6\u4ee5\u8bfb\u53d6\u6a21\u5f0f<\/p>\n
with open('example.txt', 'r') as file:<\/p>\n
    # \u8bfb\u53d6\u6587\u4ef6\u4e2d\u7684\u7b2c\u4e00\u884c<\/p>\n
    first_line = file.readline()<\/p>\n
    print(first_line)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u6253\u5f00\u4e86\u4e00\u4e2a\u540d\u4e3aexample.txt<\/code>\u7684\u6587\u4ef6\uff0c\u5e76\u4f7f\u7528readline()<\/code>\u65b9\u6cd5\u8bfb\u53d6\u4e86\u6587\u4ef6\u4e2d\u7684\u7b2c\u4e00\u884c\u6570\u636e\u3002readline()<\/code>\u65b9\u6cd5\u8fd4\u56de\u7684\u5b57\u7b26\u4e32\u88ab\u8d4b\u503c\u7ed9\u53d8\u91cffirst_line<\/code>\uff0c\u7136\u540e\u6211\u4eec\u4f7f\u7528print()<\/code>\u51fd\u6570\u5c06\u5176\u6253\u5370\u51fa\u6765\u3002<\/p>\n<\/p>\n
readline()<\/code>\u65b9\u6cd5\u4e0d\u4ec5\u53ef\u4ee5\u8bfb\u53d6\u6587\u4ef6\u7684\u7b2c\u4e00\u884c\uff0c\u8fd8\u53ef\u4ee5\u5728\u5faa\u73af\u4e2d\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u7684\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528readline()<\/code>\u65b9\u6cd5\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u7684\u6240\u6709\u5185\u5bb9\uff1a<\/p>\n<\/p>\n
# \u6253\u5f00\u6587\u4ef6\u4ee5\u8bfb\u53d6\u6a21\u5f0f<\/p>\n
with open('example.txt', 'r') as file:<\/p>\n
    # \u4f7f\u7528\u5faa\u73af\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u7684\u5185\u5bb9<\/p>\n
    while True:<\/p>\n
        line = file.readline()<\/p>\n
        if not line:<\/p>\n
            break<\/p>\n
        print(line.strip())<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e00\u4e2awhile<\/code>\u5faa\u73af\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u7684\u5185\u5bb9\u3002\u6bcf\u6b21\u5faa\u73af\u4e2d\uff0creadline()<\/code>\u65b9\u6cd5\u8bfb\u53d6\u4e00\u884c\u6570\u636e\uff0c\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9\u53d8\u91cfline<\/code>\u3002\u5982\u679cline<\/code>\u4e3a\u7a7a\u5b57\u7b26\u4e32\uff0c\u5219\u8868\u793a\u6587\u4ef6\u5df2\u8bfb\u53d6\u5b8c\u6bd5\uff0c\u6211\u4eec\u4f7f\u7528break<\/code>\u8bed\u53e5\u9000\u51fa\u5faa\u73af\u3002\u5426\u5219\uff0c\u6211\u4eec\u4f7f\u7528print()<\/code>\u51fd\u6570\u5c06line<\/code>\u6253\u5370\u51fa\u6765\uff0c\u5e76\u4f7f\u7528strip()<\/code>\u65b9\u6cd5\u53bb\u9664\u884c\u672b\u7684\u6362\u884c\u7b26\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528next()<\/code>\u65b9\u6cd5<\/h2>\n<\/p>\n
\u53e6\u4e00\u79cd\u67e5\u770b\u4e00\u884c\u6570\u636e\u7684\u65b9\u6cd5\u662f\u4f7f\u7528next()<\/code>\u65b9\u6cd5\u3002next()<\/code>\u65b9\u6cd5\u7528\u4e8e\u4ece\u8fed\u4ee3\u5668\u4e2d\u83b7\u53d6\u4e0b\u4e00\u4e2a\u9879\u76ee\u3002\u5728Python\u4e2d\uff0c\u6587\u4ef6\u5bf9\u8c61\u672c\u8eab\u5c31\u662f\u4e00\u4e2a\u8fed\u4ee3\u5668\uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528next()<\/code>\u65b9\u6cd5\u4ece\u6587\u4ef6\u5bf9\u8c61\u4e2d\u83b7\u53d6\u4e0b\u4e00\u884c\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528next()<\/code>\u65b9\u6cd5\u67e5\u770b\u4e00\u884c\u6570\u636e\uff1a<\/p>\n<\/p>\n
# \u6253\u5f00\u6587\u4ef6\u4ee5\u8bfb\u53d6\u6a21\u5f0f<\/p>\n
with open('example.txt', 'r') as file:<\/p>\n
    # \u4f7f\u7528next()\u65b9\u6cd5\u8bfb\u53d6\u6587\u4ef6\u4e2d\u7684\u7b2c\u4e00\u884c<\/p>\n
    first_line = next(file)<\/p>\n
    print(first_line.strip())<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u6253\u5f00\u4e86\u4e00\u4e2a\u540d\u4e3aexample.txt<\/code>\u7684\u6587\u4ef6\uff0c\u5e76\u4f7f\u7528next()<\/code>\u65b9\u6cd5\u8bfb\u53d6\u4e86\u6587\u4ef6\u4e2d\u7684\u7b2c\u4e00\u884c\u6570\u636e\u3002next()<\/code>\u65b9\u6cd5\u8fd4\u56de\u7684\u5b57\u7b26\u4e32\u88ab\u8d4b\u503c\u7ed9\u53d8\u91cffirst_line<\/code>\uff0c\u7136\u540e\u6211\u4eec\u4f7f\u7528print()<\/code>\u51fd\u6570\u5c06\u5176\u6253\u5370\u51fa\u6765\uff0c\u5e76\u4f7f\u7528strip()<\/code>\u65b9\u6cd5\u53bb\u9664\u884c\u672b\u7684\u6362\u884c\u7b26\u3002<\/p>\n<\/p>\n
\u540c\u6837\uff0cnext()<\/code>\u65b9\u6cd5\u4e5f\u53ef\u4ee5\u5728\u5faa\u73af\u4e2d\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u7684\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528next()<\/code>\u65b9\u6cd5\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u7684\u6240\u6709\u5185\u5bb9\uff1a<\/p>\n<\/p>\n
# \u6253\u5f00\u6587\u4ef6\u4ee5\u8bfb\u53d6\u6a21\u5f0f<\/p>\n
with open('example.txt', 'r') as file:<\/p>\n
    # \u4f7f\u7528\u5faa\u73af\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u7684\u5185\u5bb9<\/p>\n
    for line in file:<\/p>\n
        print(line.strip())<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e00\u4e2afor<\/code>\u5faa\u73af\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u7684\u5185\u5bb9\u3002\u6bcf\u6b21\u5faa\u73af\u4e2d\uff0cnext()<\/code>\u65b9\u6cd5\u8bfb\u53d6\u4e00\u884c\u6570\u636e\uff0c\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9\u53d8\u91cfline<\/code>\u3002\u7136\u540e\u6211\u4eec\u4f7f\u7528print()<\/code>\u51fd\u6570\u5c06line<\/code>\u6253\u5370\u51fa\u6765\uff0c\u5e76\u4f7f\u7528strip()<\/code>\u65b9\u6cd5\u53bb\u9664\u884c\u672b\u7684\u6362\u884c\u7b26\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528pandas<\/code>\u5e93<\/h2>\n<\/p>\n
pandas<\/code>\u5e93\u662fPython\u4e2d\u7528\u4e8e\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u7684\u5f3a\u5927\u5de5\u5177\u3002\u5b83\u63d0\u4f9b\u4e86\u8bb8\u591a\u65b9\u4fbf\u7684\u65b9\u6cd5\u6765\u5904\u7406\u6570\u636e\uff0c\u5305\u62ec\u8bfb\u53d6\u6587\u4ef6\u4e2d\u7684\u6570\u636e\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528pandas<\/code>\u5e93\u8bfb\u53d6\u6587\u4ef6\u4e2d\u7684\u4e00\u884c\u6570\u636e\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728DataFrame<\/code>\u5bf9\u8c61\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528pandas<\/code>\u5e93\u67e5\u770b\u4e00\u884c\u6570\u636e\uff1a<\/p>\n<\/p>\n
import pandas as pd<\/p>\n
\u8bfb\u53d6\u6587\u4ef6\u4e2d\u7684\u6570\u636e\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728DataFrame\u5bf9\u8c61\u4e2d<\/strong><\/h2>\n
df = pd.read_csv('example.csv')<\/p>\n
\u67e5\u770b\u6587\u4ef6\u4e2d\u7684\u7b2c\u4e00\u884c\u6570\u636e<\/strong><\/h2>\n
first_row = df.iloc[0]<\/p>\n
print(first_row)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528pandas<\/code>\u5e93\u4e2d\u7684read_csv()<\/code>\u51fd\u6570\u8bfb\u53d6\u4e86\u4e00\u4e2a\u540d\u4e3aexample.csv<\/code>\u7684\u6587\u4ef6\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728DataFrame<\/code>\u5bf9\u8c61df<\/code>\u4e2d\u3002\u7136\u540e\u6211\u4eec\u4f7f\u7528iloc[]<\/code>\u7d22\u5f15\u5668\u67e5\u770bDataFrame<\/code>\u5bf9\u8c61\u4e2d\u7684\u7b2c\u4e00\u884c\u6570\u636e\uff0c\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9\u53d8\u91cffirst_row<\/code>\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528print()<\/code>\u51fd\u6570\u5c06first_row<\/code>\u6253\u5370\u51fa\u6765\u3002<\/p>\n<\/p>\n
pandas<\/code>\u5e93\u4e0d\u4ec5\u53ef\u4ee5\u8bfb\u53d6CSV\u6587\u4ef6\uff0c\u8fd8\u53ef\u4ee5\u8bfb\u53d6\u5176\u4ed6\u683c\u5f0f\u7684\u6587\u4ef6\uff0c\u5982Excel\u6587\u4ef6\u3001JSON\u6587\u4ef6\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528pandas<\/code>\u5e93\u8bfb\u53d6Excel\u6587\u4ef6\u4e2d\u7684\u4e00\u884c\u6570\u636e\uff1a<\/p>\n<\/p>\n
import pandas as pd<\/p>\n
\u8bfb\u53d6Excel\u6587\u4ef6\u4e2d\u7684\u6570\u636e\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728DataFrame\u5bf9\u8c61\u4e2d<\/strong><\/h2>\n
df = pd.read_excel('example.xlsx')<\/p>\n
\u67e5\u770bExcel\u6587\u4ef6\u4e2d\u7684\u7b2c\u4e00\u884c\u6570\u636e<\/strong><\/h2>\n
first_row = df.iloc[0]<\/p>\n
print(first_row)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528pandas<\/code>\u5e93\u4e2d\u7684read_excel()<\/code>\u51fd\u6570\u8bfb\u53d6\u4e86\u4e00\u4e2a\u540d\u4e3aexample.xlsx<\/code>\u7684Excel\u6587\u4ef6\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728DataFrame<\/code>\u5bf9\u8c61df<\/code>\u4e2d\u3002\u7136\u540e\u6211\u4eec\u4f7f\u7528iloc[]<\/code>\u7d22\u5f15\u5668\u67e5\u770bDataFrame<\/code>\u5bf9\u8c61\u4e2d\u7684\u7b2c\u4e00\u884c\u6570\u636e\uff0c\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9\u53d8\u91cffirst_row<\/code>\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528print()<\/code>\u51fd\u6570\u5c06first_row<\/code>\u6253\u5370\u51fa\u6765\u3002<\/p>\n<\/p>\n
\u56db\u3001\u4f7f\u7528csv<\/code>\u6a21\u5757<\/h2>\n<\/p>\n
csv<\/code>\u6a21\u5757\u662fPython\u6807\u51c6\u5e93\u4e2d\u7684\u4e00\u4e2a\u6a21\u5757\uff0c\u7528\u4e8e\u5904\u7406CSV\u6587\u4ef6\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528csv<\/code>\u6a21\u5757\u8bfb\u53d6CSV\u6587\u4ef6\u4e2d\u7684\u4e00\u884c\u6570\u636e\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u5217\u8868\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528csv<\/code>\u6a21\u5757\u67e5\u770b\u4e00\u884c\u6570\u636e\uff1a<\/p>\n<\/p>\n
import csv<\/p>\n
\u6253\u5f00CSV\u6587\u4ef6\u4ee5\u8bfb\u53d6\u6a21\u5f0f<\/strong><\/h2>\n
with open('example.csv', 'r') as file:<\/p>\n
    reader = csv.reader(file)<\/p>\n
    # \u8bfb\u53d6CSV\u6587\u4ef6\u4e2d\u7684\u7b2c\u4e00\u884c\u6570\u636e<\/p>\n
    first_row = next(reader)<\/p>\n
    print(first_row)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528csv<\/code>\u6a21\u5757\u4e2d\u7684reader()<\/code>\u51fd\u6570\u521b\u5efa\u4e86\u4e00\u4e2aCSV\u6587\u4ef6\u8bfb\u53d6\u5668\u5bf9\u8c61reader<\/code>\uff0c\u5e76\u4f7f\u7528next()<\/code>\u65b9\u6cd5\u8bfb\u53d6\u4e86CSV\u6587\u4ef6\u4e2d\u7684\u7b2c\u4e00\u884c\u6570\u636e\u3002next()<\/code>\u65b9\u6cd5\u8fd4\u56de\u7684\u5217\u8868\u88ab\u8d4b\u503c\u7ed9\u53d8\u91cffirst_row<\/code>\uff0c\u7136\u540e\u6211\u4eec\u4f7f\u7528print()<\/code>\u51fd\u6570\u5c06\u5176\u6253\u5370\u51fa\u6765\u3002<\/p>\n<\/p>\n
csv<\/code>\u6a21\u5757\u4e5f\u53ef\u4ee5\u5728\u5faa\u73af\u4e2d\u9010\u884c\u8bfb\u53d6CSV\u6587\u4ef6\u7684\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528csv<\/code>\u6a21\u5757\u9010\u884c\u8bfb\u53d6CSV\u6587\u4ef6\u7684\u6240\u6709\u5185\u5bb9\uff1a<\/p>\n<\/p>\n
import csv<\/p>\n
\u6253\u5f00CSV\u6587\u4ef6\u4ee5\u8bfb\u53d6\u6a21\u5f0f<\/strong><\/h2>\n
with open('example.csv', 'r') as file:<\/p>\n
    reader = csv.reader(file)<\/p>\n
    # \u4f7f\u7528\u5faa\u73af\u9010\u884c\u8bfb\u53d6CSV\u6587\u4ef6\u7684\u5185\u5bb9<\/p>\n
    for row in reader:<\/p>\n
        print(row)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e00\u4e2afor<\/code>\u5faa\u73af\u9010\u884c\u8bfb\u53d6CSV\u6587\u4ef6\u7684\u5185\u5bb9\u3002\u6bcf\u6b21\u5faa\u73af\u4e2d\uff0cnext()<\/code>\u65b9\u6cd5\u8bfb\u53d6\u4e00\u884c\u6570\u636e\uff0c\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9\u53d8\u91cfrow<\/code>\u3002\u7136\u540e\u6211\u4eec\u4f7f\u7528print()<\/code>\u51fd\u6570\u5c06row<\/code>\u6253\u5370\u51fa\u6765\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528openpyxl<\/code>\u6a21\u5757<\/h2>\n<\/p>\n
openpyxl<\/code>\u6a21\u5757\u662f\u4e00\u4e2a\u7528\u4e8e\u8bfb\u53d6\u548c\u5199\u5165Excel\u6587\u4ef6\u7684Python\u5e93\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528openpyxl<\/code>\u6a21\u5757\u8bfb\u53d6Excel\u6587\u4ef6\u4e2d\u7684\u4e00\u884c\u6570\u636e\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u5217\u8868\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528openpyxl<\/code>\u6a21\u5757\u67e5\u770b\u4e00\u884c\u6570\u636e\uff1a<\/p>\n<\/p>\n
import openpyxl<\/p>\n
\u6253\u5f00Excel\u6587\u4ef6<\/strong><\/h2>\n
workbook = openpyxl.load_workbook('example.xlsx')<\/p>\n
sheet = workbook.active<\/p>\n
\u67e5\u770bExcel\u6587\u4ef6\u4e2d\u7684\u7b2c\u4e00\u884c\u6570\u636e<\/strong><\/h2>\n
first_row = [cell.value for cell in sheet[1]]<\/p>\n
print(first_row)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528openpyxl<\/code>\u6a21\u5757\u4e2d\u7684load_workbook()<\/code>\u51fd\u6570\u52a0\u8f7d\u4e86\u4e00\u4e2a\u540d\u4e3aexample.xlsx<\/code>\u7684Excel\u6587\u4ef6\uff0c\u5e76\u83b7\u53d6\u4e86\u6d3b\u52a8\u5de5\u4f5c\u8868\u5bf9\u8c61sheet<\/code>\u3002\u7136\u540e\u6211\u4eec\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u67e5\u770b\u5de5\u4f5c\u8868\u4e2d\u7684\u7b2c\u4e00\u884c\u6570\u636e\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u5217\u8868first_row<\/code>\u4e2d\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528print()<\/code>\u51fd\u6570\u5c06first_row<\/code>\u6253\u5370\u51fa\u6765\u3002<\/p>\n<\/p>\n
openpyxl<\/code>\u6a21\u5757\u4e5f\u53ef\u4ee5\u5728\u5faa\u73af\u4e2d\u9010\u884c\u8bfb\u53d6Excel\u6587\u4ef6\u7684\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528openpyxl<\/code>\u6a21\u5757\u9010\u884c\u8bfb\u53d6Excel\u6587\u4ef6\u7684\u6240\u6709\u5185\u5bb9\uff1a<\/p>\n<\/p>\n
import openpyxl<\/p>\n
\u6253\u5f00Excel\u6587\u4ef6<\/strong><\/h2>\n
workbook = openpyxl.load_workbook('example.xlsx')<\/p>\n
sheet = workbook.active<\/p>\n
\u4f7f\u7528\u5faa\u73af\u9010\u884c\u8bfb\u53d6Excel\u6587\u4ef6\u7684\u5185\u5bb9<\/strong><\/h2>\n
for row in sheet.iter_rows(values_only=True):<\/p>\n
    print(row)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e00\u4e2afor<\/code>\u5faa\u73af\u9010\u884c\u8bfb\u53d6Excel\u6587\u4ef6\u7684\u5185\u5bb9\u3002\u6bcf\u6b21\u5faa\u73af\u4e2d\uff0citer_rows()<\/code>\u65b9\u6cd5\u8fd4\u56de\u4e00\u884c\u6570\u636e\uff0c\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9\u53d8\u91cfrow<\/code>\u3002\u7136\u540e\u6211\u4eec\u4f7f\u7528print()<\/code>\u51fd\u6570\u5c06row<\/code>\u6253\u5370\u51fa\u6765\u3002<\/p>\n<\/p>\n
\u516d\u3001\u4f7f\u7528json<\/code>\u6a21\u5757<\/h2>\n<\/p>\n
json<\/code>\u6a21\u5757\u662fPython\u6807\u51c6\u5e93\u4e2d\u7684\u4e00\u4e2a\u6a21\u5757\uff0c\u7528\u4e8e\u5904\u7406JSON\u6570\u636e\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528json<\/code>\u6a21\u5757\u8bfb\u53d6JSON\u6587\u4ef6\u4e2d\u7684\u4e00\u884c\u6570\u636e\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u5b57\u5178\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528json<\/code>\u6a21\u5757\u67e5\u770b\u4e00\u884c\u6570\u636e\uff1a<\/p>\n<\/p>\n
import json<\/p>\n
\u6253\u5f00JSON\u6587\u4ef6\u4ee5\u8bfb\u53d6\u6a21\u5f0f<\/strong><\/h2>\n
with open('example.json', 'r') as file:<\/p>\n
    data = json.load(file)<\/p>\n
    # \u67e5\u770bJSON\u6587\u4ef6\u4e2d\u7684\u7b2c\u4e00\u884c\u6570\u636e<\/p>\n
    first_item = data[0]<\/p>\n
    print(first_item)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528json<\/code>\u6a21\u5757\u4e2d\u7684load()<\/code>\u51fd\u6570\u52a0\u8f7d\u4e86\u4e00\u4e2a\u540d\u4e3aexample.json<\/code>\u7684JSON\u6587\u4ef6\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u5b57\u5178data<\/code>\u4e2d\u3002\u7136\u540e\u6211\u4eec\u67e5\u770b\u5b57\u5178\u4e2d\u7684\u7b2c\u4e00\u9879\u6570\u636e\uff0c\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9\u53d8\u91cffirst_item<\/code>\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528print()<\/code>\u51fd\u6570\u5c06first_item<\/code>\u6253\u5370\u51fa\u6765\u3002<\/p>\n<\/p>\n
json<\/code>\u6a21\u5757\u4e5f\u53ef\u4ee5\u5728\u5faa\u73af\u4e2d\u9010\u884c\u8bfb\u53d6JSON\u6587\u4ef6\u7684\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528json<\/code>\u6a21\u5757\u9010\u884c\u8bfb\u53d6JSON\u6587\u4ef6\u7684\u6240\u6709\u5185\u5bb9\uff1a<\/p>\n<\/p>\n
import json<\/p>\n
\u6253\u5f00JSON\u6587\u4ef6\u4ee5\u8bfb\u53d6\u6a21\u5f0f<\/strong><\/h2>\n
with open('example.json', 'r') as file:<\/p>\n
    data = json.load(file)<\/p>\n
    # \u4f7f\u7528\u5faa\u73af\u9010\u884c\u8bfb\u53d6JSON\u6587\u4ef6\u7684\u5185\u5bb9<\/p>\n
    for item in data:<\/p>\n
        print(item)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e00\u4e2afor<\/code>\u5faa\u73af\u9010\u884c\u8bfb\u53d6JSON\u6587\u4ef6\u7684\u5185\u5bb9\u3002\u6bcf\u6b21\u5faa\u73af\u4e2d\uff0cnext()<\/code>\u65b9\u6cd5\u8bfb\u53d6\u4e00\u884c\u6570\u636e\uff0c\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9\u53d8\u91cfitem<\/code>\u3002\u7136\u540e\u6211\u4eec\u4f7f\u7528print()<\/code>\u51fd\u6570\u5c06item<\/code>\u6253\u5370\u51fa\u6765\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u4f7f\u7528sqlite3<\/code>\u6a21\u5757<\/h2>\n<\/p>\n
sqlite3<\/code>\u6a21\u5757\u662fPython\u6807\u51c6\u5e93\u4e2d\u7684\u4e00\u4e2a\u6a21\u5757\uff0c\u7528\u4e8e\u5904\u7406SQLite\u6570\u636e\u5e93\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528sqlite3<\/code>\u6a21\u5757\u8bfb\u53d6SQLite\u6570\u636e\u5e93\u4e2d\u7684\u4e00\u884c\u6570\u636e\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u5143\u7ec4\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528sqlite3<\/code>\u6a21\u5757\u67e5\u770b\u4e00\u884c\u6570\u636e\uff1a<\/p>\n<\/p>\n
import sqlite3<\/p>\n
\u8fde\u63a5SQLite\u6570\u636e\u5e93<\/strong><\/h2>\n
conn = sqlite3.connect('example.db')<\/p>\n
cursor = conn.cursor()<\/p>\n
\u67e5\u770bSQLite\u6570\u636e\u5e93\u4e2d\u7684\u7b2c\u4e00\u884c\u6570\u636e<\/strong><\/h2>\n
cursor.execute("SELECT * FROM example_table")<\/p>\n
first_row = cursor.fetchone()<\/p>\n
print(first_row)<\/p>\n
\u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5<\/strong><\/h2>\n
conn.close()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528sqlite3<\/code>\u6a21\u5757\u8fde\u63a5\u4e86\u4e00\u4e2a\u540d\u4e3aexample.db<\/code>\u7684SQLite\u6570\u636e\u5e93\uff0c\u5e76\u83b7\u53d6\u4e86\u4e00\u4e2a\u6e38\u6807\u5bf9\u8c61cursor<\/code>\u3002\u7136\u540e\u6211\u4eec\u6267\u884c\u4e86\u4e00\u6761SQL\u67e5\u8be2\u8bed\u53e5\uff0c\u67e5\u770b\u6570\u636e\u5e93\u8868example_table<\/code>\u4e2d\u7684\u7b2c\u4e00\u884c\u6570\u636e\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u5143\u7ec4first_row<\/code>\u4e2d\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528print()<\/code>\u51fd\u6570\u5c06first_row<\/code>\u6253\u5370\u51fa\u6765\uff0c\u5e76\u5173\u95ed\u4e86\u6570\u636e\u5e93\u8fde\u63a5\u3002<\/p>\n<\/p>\n
sqlite3<\/code>\u6a21\u5757\u4e5f\u53ef\u4ee5\u5728\u5faa\u73af\u4e2d\u9010\u884c\u8bfb\u53d6SQLite\u6570\u636e\u5e93\u7684\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528sqlite3<\/code>\u6a21\u5757\u9010\u884c\u8bfb\u53d6SQLite\u6570\u636e\u5e93\u7684\u6240\u6709\u5185\u5bb9\uff1a<\/p>\n<\/p>\n
import sqlite3<\/p>\n
\u8fde\u63a5SQLite\u6570\u636e\u5e93<\/strong><\/h2>\n
conn = sqlite3.connect('example.db')<\/p>\n
cursor = conn.cursor()<\/p>\n
\u4f7f\u7528\u5faa\u73af\u9010\u884c\u8bfb\u53d6SQLite\u6570\u636e\u5e93\u7684\u5185\u5bb9<\/strong><\/h2>\n
cursor.execute("SELECT * FROM example_table")<\/p>\n
for row in cursor:<\/p>\n
    print(row)<\/p>\n
\u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5<\/strong><\/h2>\n
conn.close()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e00\u4e2afor<\/code>\u5faa\u73af\u9010\u884c\u8bfb\u53d6SQLite\u6570\u636e\u5e93\u7684\u5185\u5bb9\u3002\u6bcf\u6b21\u5faa\u73af\u4e2d\uff0cfetchone()<\/code>\u65b9\u6cd5\u8fd4\u56de\u4e00\u884c\u6570\u636e\uff0c\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9\u53d8\u91cfrow<\/code>\u3002\u7136\u540e\u6211\u4eec\u4f7f\u7528print()<\/code>\u51fd\u6570\u5c06row<\/code>\u6253\u5370\u51fa\u6765\uff0c\u5e76\u5173\u95ed\u4e86\u6570\u636e\u5e93\u8fde\u63a5\u3002<\/p>\n<\/p>\n
\u516b\u3001\u4f7f\u7528open()<\/code>\u51fd\u6570\u4e0ereadlines()<\/code>\u65b9\u6cd5<\/h2>\n<\/p>\n
\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528open()<\/code>\u51fd\u6570\u4e0ereadlines()<\/code>\u65b9\u6cd5\u7ed3\u5408\u6765\u8bfb\u53d6\u6587\u4ef6\u4e2d\u7684\u4e00\u884c\u6570\u636e\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u5217\u8868\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528open()<\/code>\u51fd\u6570\u4e0ereadlines()<\/code>\u65b9\u6cd5\u67e5\u770b\u4e00\u884c\u6570\u636e\uff1a<\/p>\n<\/p>\n
# \u6253\u5f00\u6587\u4ef6\u4ee5\u8bfb\u53d6\u6a21\u5f0f<\/p>\n
with open('example.txt', 'r') as file:<\/p>\n
    # \u4f7f\u7528readlines()\u65b9\u6cd5\u8bfb\u53d6\u6587\u4ef6\u4e2d\u7684\u6240\u6709\u884c\u6570\u636e<\/p>\n
    lines = file.readlines()<\/p>\n
    # \u67e5\u770b\u6587\u4ef6\u4e2d\u7684\u7b2c\u4e00\u884c\u6570\u636e<\/p>\n
    first_line = lines[0]<\/p>\n
    print(first_line.strip())<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528open()<\/code>\u51fd\u6570\u6253\u5f00\u4e86\u4e00\u4e2a\u540d\u4e3aexample.txt<\/code>\u7684\u6587\u4ef6\uff0c\u5e76\u4f7f\u7528readlines()<\/code>\u65b9\u6cd5\u8bfb\u53d6\u4e86\u6587\u4ef6\u4e2d\u7684\u6240\u6709\u884c\u6570\u636e\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u5217\u8868lines<\/code>\u4e2d\u3002\u7136\u540e\u6211\u4eec\u67e5\u770b\u5217\u8868\u4e2d\u7684\u7b2c\u4e00\u884c\u6570\u636e\uff0c\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9\u53d8\u91cffirst_line<\/code>\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528print()<\/code>\u51fd\u6570\u5c06first_line<\/code>\u6253\u5370\u51fa\u6765\uff0c\u5e76\u4f7f\u7528strip()<\/code>\u65b9\u6cd5\u53bb\u9664\u884c\u672b\u7684\u6362\u884c\u7b26\u3002<\/p>\n<\/p>\n
readlines()<\/code>\u65b9\u6cd5\u8fd4\u56de\u7684\u5217\u8868\u5305\u542b\u6587\u4ef6\u4e2d\u7684\u6240\u6709\u884c\u6570\u636e\uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u6765\u8bbf\u95ee\u7279\u5b9a\u7684\u884c\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\u6587\u4ef6\u4e2d\u7684\u7279\u5b9a\u884c\u6570\u636e\uff1a<\/p>\n<\/p>\n
# \u6253\u5f00\u6587\u4ef6\u4ee5\u8bfb\u53d6\u6a21\u5f0f<\/p>\n
with open('example.txt', 'r') as file:<\/p>\n
    # \u4f7f\u7528readlines()\u65b9\u6cd5\u8bfb\u53d6\u6587\u4ef6\u4e2d\u7684\u6240\u6709\u884c\u6570\u636e<\/p>\n
    lines = file.readlines()<\/p>\n
    # \u67e5\u770b\u6587\u4ef6\u4e2d\u7684\u7b2c\u4e8c\u884c\u6570\u636e<\/p>\n
    second_line = lines[1]<\/p>\n
    print(second_line.strip())<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u7d22\u5f151<\/code>\u8bbf\u95ee\u5217\u8868lines<\/code>\u4e2d\u7684\u7b2c\u4e8c\u884c\u6570\u636e\uff0c\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9\u53d8\u91cfsecond_line<\/code>\u3002\u7136\u540e\u6211\u4eec\u4f7f\u7528print()<\/code>\u51fd\u6570\u5c06second_line<\/code>\u6253\u5370\u51fa\u6765\uff0c\u5e76\u4f7f\u7528strip()<\/code>\u65b9\u6cd5\u53bb\u9664\u884c\u672b\u7684\u6362\u884c\u7b26\u3002<\/p>\n<\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u51e0\u79cd\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u5728Python\u4e2d\u67e5\u770b\u4e00\u884c\u6570\u636e\uff0c\u5e76\u6839\u636e\u9700\u8981\u9009\u62e9\u6700\u9002\u5408\u7684\u65b9\u6cd5\u3002\u65e0\u8bba\u662f\u5904\u7406\u6587\u672c\u6587\u4ef6\u3001CSV\u6587\u4ef6\u3001Excel\u6587\u4ef6\u3001JSON\u6587\u4ef6\u8fd8\u662fSQLite\u6570\u636e\u5e93\uff0c\u90fd\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u9010\u884c\u8bfb\u53d6\u6570\u636e\u7684\u529f\u80fd\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u67e5\u770b\u7279\u5b9a\u884c\u7684\u6570\u636e\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u67e5\u770b\u7279\u5b9a\u884c\u7684\u6570\u636e\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u4f7f\u7528pandas\u5e93\u8bfb\u53d6\u6570\u636e\u6587\u4ef6\uff0c\u53ef\u4ee5\u901a\u8fc7DataFrame\u7684\u7d22\u5f15\u6765\u76f4\u63a5\u8bbf\u95ee\u67d0\u4e00\u884c\u3002\u5047\u8bbe\u4f60\u5df2\u7ecf\u52a0\u8f7d\u4e86\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528 df.iloc[row_index]<\/code> \u6765\u83b7\u53d6\u6307\u5b9a\u884c\u7684\u6570\u636e\uff0c\u5176\u4e2d row_index<\/code> \u662f\u4f60\u60f3\u67e5\u770b\u7684\u884c\u53f7\u3002<\/p>\n
\u5728Python\u4e2d\u5982\u4f55\u8bfb\u53d6\u6587\u4ef6\u5e76\u67e5\u770b\u5185\u5bb9\uff1f<\/strong>
\u8bfb\u53d6\u6587\u4ef6\u5e76\u67e5\u770b\u5185\u5bb9\u901a\u5e38\u4f7f\u7528\u5185\u7f6e\u7684 open()<\/code> \u51fd\u6570\u6216 pandas \u5e93\u3002\u5bf9\u4e8e\u6587\u672c\u6587\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528 with open('filename.txt') as file: print(file.readlines())<\/code> \u6765\u9010\u884c\u8bfb\u53d6\u5e76\u6253\u5370\u6587\u4ef6\u5185\u5bb9\u3002\u5982\u679c\u662fCSV\u6587\u4ef6\uff0c\u4f7f\u7528 pd.read_csv('filename.csv')<\/code> \u540e\uff0c\u53ef\u4ee5\u901a\u8fc7 df.head()<\/code> \u6765\u67e5\u770b\u524d\u51e0\u884c\u6570\u636e\u3002<\/p>\n
\u5982\u4f55\u4f7f\u7528Python\u7684\u6761\u4ef6\u7b5b\u9009\u67e5\u770b\u7279\u5b9a\u884c\u7684\u6570\u636e\uff1f<\/strong>
\u4f7f\u7528\u6761\u4ef6\u7b5b\u9009\u53ef\u4ee5\u65b9\u4fbf\u5730\u67e5\u770b\u7b26\u5408\u7279\u5b9a\u6761\u4ef6\u7684\u884c\u3002\u4f8b\u5982\uff0c\u5728pandas\u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528 df[df['column_name'] == value]<\/code> \u6765\u7b5b\u9009\u51fa\u6307\u5b9a\u5217\u4e2d\u7b49\u4e8e\u67d0\u4e2a\u503c\u7684\u6240\u6709\u884c\u3002\u8fd9\u79cd\u65b9\u5f0f\u975e\u5e38\u9002\u5408\u6570\u636e\u5206\u6790\u548c\u5904\u7406\u9700\u8981\u7279\u5b9a\u6761\u4ef6\u7684\u6570\u636e\u67e5\u770b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u67e5\u770b\u4e00\u884c\u6570\u636e\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528readline()\u65b9\u6cd5\u3001\u4f7f\u7528next()\u65b9\u6cd5\u3001\u4f7f\u7528pandas\u5e93\u7684\u76f8\u5173 […]","protected":false},"author":3,"featured_media":1057344,"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\/1057330"}],"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=1057330"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1057330\/revisions"}],"predecessor-version":[{"id":1057347,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1057330\/revisions\/1057347"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1057344"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1057330"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1057330"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1057330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}