list comprehension to combine 2 lists

Question

I have two sequence as below

t = [[1,2,3],[4,5,6],[7,8,9]]
alpha = ['a','b','c']

How to use list comprehension to modify t as below:-

t = [[1,2,3,'a'],[4,5,6,'b'],[7,8,9,'c']]

Answer 1

use zip:

t = [[1,2,3],[4,5,6],[7,8,9]]
alpha = ['a','b','c']
new_list = [a+[b] for a, b in zip(t, alpha)]

Output:

[[1, 2, 3, 'a'], [4, 5, 6, 'b'], [7, 8, 9, 'c']]