Create nDimensional list by appending/including multiple Lists

Question

I have 3 Lists

a= [1,2,3]
b= [4,5,6]
c= []

Am trying to create

c = [[1,2,3],[4,5,6]]

I know c.append(a) followed by c.append(b) does the job. But is it possible to do it in a single line ?

Or any other method to "include" multiple list to one list so that we get a nDimensional list?

Or resort to numpy ?

NOTE: Merging/Concatenating the lists using zip or extend or using "+" is not what am looking for

user_11502612 · Answer

You can use the extend method to achieve what you want.

Code:

a = [1, 2, 3]
b = [4, 5, 6]
c = []

c.extend([a, b])

print(c)

Output:

>>> python3 test.py 
[[1, 2, 3], [4, 5, 6]]