Use list comprehension with matrixes

Question

How to make use of list comprehension with these matrixes? I'm learning about matrixes so any useful information is appreciated 😁
https://code.sololearn.com/cA16A5A512a1/?ref=app

Answer 1

matriz = [[1 if i>=j else 0 for j in range(6)] for i in range(6)]

matrix_b = [[5 if f==2 and c==1 else 0 for c in range(3)] for f in range(5)]