如何使用python拆分行并获取剩余行

with open('file.txt', 'r') as file:
    lines = file.readlines()

split_lines = [line.split() for line in lines]

first_parts = [line[0] for line in split_lines]

remaining_parts = [line[1:] for line in split_lines]

with open('file.txt', 'r') as file:
    lines = file.readlines()

split_lines = [line.split() for line in lines]
first_parts = [line[0] for line in split_lines]
remaining_parts = [line[1:] for line in split_lines]