2.4习题

zy05 / 2024-11-17 / 原文

-- coding: utf-8 --

"""
Created on Tue Sep 17 19:39:40 2024

@author: 朱尧
"""

a = [[1,2,3],[4,5,6],[7,8,9]]
d = [c for b in a for c in b]
print(d)