如何将制表符分隔的文件读入长度不等的Python？

import csv

filename = 'data.txt'  # 指定文件名
data = []  # 用于存储读取的数据

with open(filename, 'r', encoding='utf-8') as file:
    reader = csv.reader(file, delimiter='\t')  # 指定分隔符为制表符
    for row in reader:
        data.append(row)

# 打印读取的数据
for row in data:
    print(row)