r,c=map(int,input("enter number of rows and cols: ").split())

m=[]

print("enter matrix elements: ")

for i in range(r):

l=[]

for j in range(c):

l.append(int(input(f"enter m[{i}][{j}]")))

m.append(l)

print(m)

print()

for row in m:

print(row)

print()

for row in m:

for e in row:

print(e,end='\t')

print()

'''

output-

enter number of rows and cols: 3 4

enter matrix elements:

enter m[0][0]1

enter m[0][1]2

enter m[0][2]3

enter m[0][3]4

enter m[1][0]5

enter m[1][1]6

enter m[1][2]7

enter m[1][3]8

enter m[2][0]9

enter m[2][1]0

enter m[2][2]1

enter m[2][3]2

[[1, 2, 3, 4], [5, 6, 7, 8], [9, 0, 1, 2]]

[1, 2, 3, 4]

[5, 6, 7, 8]

[9, 0, 1, 2]

1 2 3 4

5 6 7 8

9 0 1 2

'''