python读写csv文件，使用csv.reader()方法及csv.writer()方法_简述csv中reader()和writer()的用法

作者：凡人多烦事01 | 2024-03-08 22:49:57

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简述csv中reader()和writer()的用法

python读写csv文件，使用csv.reader()方法及csv.writer()方法

import csv

with open(r"C:\郑宏宇\python_learn\c.csv","r") as f:
    a_csv = csv.reader(f)
    for row in a_csv:
        print(row)

with open(r"C:\郑宏宇\python_learn\c.csv","w")as f:
    b_csv = csv.writer(f)
    b_csv.writerow(["id","姓名","年龄"])              #writerow按行写入
    b_csv.writerow(["1001", "郝佳", "18"])

    c = [["1002","明明","5"],["1003","东东","4"]]
    b_csv.writerows(c)

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