python - List Comprehension for 2-D arrays -

python - List Comprehension for 2-D arrays -

i have generate 2-d array list comprehension. 1 way accomplish follows

size=6 [[0] * size x in range(0, size)]

however variable x unused here. there way accomplish this? don't want utilize external libraries.

python allows utilize _ variable name. it's pythonic utilize name unused variables:

[[0] * size _ in range(0, size)]

python