在Python中更新CSV文件

import csv

with open('file.csv', 'r') as file:
    reader = csv.reader(file)
    rows = list(reader)

rows[0][column_index] = new_value

with open('file.csv', 'w', newline='') as file:
    writer = csv.writer(file)
    writer.writerows(rows)

import csv

# 打开CSV文件
with open('file.csv', 'r') as file:
    reader = csv.reader(file)
    rows = list(reader)

# 更新CSV文件的内容
rows[0][column_index] = new_value

# 将更新后的内容写入CSV文件
with open('file.csv', 'w', newline='') as file:
    writer = csv.writer(file)
    writer.writerows(rows)