assign values to bi dimention matrix python code example

Example 1: how to input 2-d array in python

matrix = [input().split() for i in range(no_of_rows)] # if only row is given and the number of coloumn has to be decide by user
matrix= [[input() for j in range(no_of_cols)] for i in range(no_of_rows)] # if both row and coloumn has been taken as input from user

Example 2: python print 2d array as table

for row in A:
    for val in row:
        print '{:4}'.format(val),
    print