如何遍历csv文件并根据另一个文件的值更新值

import csv

with open('file1.csv', 'r') as file1:
    csv_reader1 = csv.reader(file1)
    data1 = list(csv_reader1)

with open('file2.csv', 'r') as file2:
    csv_reader2 = csv.reader(file2)
    data2 = list(csv_reader2)

updated_data = []

for row1 in data1:
    # 获取第一个文件中的值
    value1 = row1[0]
    
    # 在第二个文件中查找匹配的行
    for row2 in data2:
        # 获取第二个文件中的值
        value2 = row2[0]
        
        # 如果找到匹配的值
        if value1 == value2:
            # 更新第一个文件中的值
            row1[1] = row2[1]
            break
    
    # 将更新后的行添加到新的列表中
    updated_data.append(row1)

with open('updated_file.csv', 'w', newline='') as updated_file:
    csv_writer = csv.writer(updated_file)
    csv_writer.writerows(updated_data)