print the princess

from __future__ import print_function


my_matrix = [[0, 0, 0, 0],
             [0, 0, 0, 0],
             [0, 0, 0, 0], ]  # to create 4x4 matrix

def print_matrix(matrix):
    for row in matrix:
        for col in row:
            # end=' ' to avoid the print command create new line on every line
                print(col, end=' ')
        print() # for new line


def enter_princess_position():
    x, y = map(int, input('Princess position:').split(';'))
    my_matrix[x][y] = 'P'
    print_matrix(my_matrix)


enter_princess_position()