#!/usr/bin/python3
def square_matrix_simple(matrix=[]):
    sqr_mtx = []
    for row in matrix:
        row = list(map(lambda x: x**2, row))
        sqr_mtx.append(row)
    return sqr_mtx

b578754f3488f742b1b2d432bb0e19bdf5d55b00
<mask token>

def square_matrix_simple(matrix=[]):
    sqr_mtx = []
    for row in matrix:
        row = list(map(lambda x: x ** 2, row))
        sqr_mtx.append(row)
    return sqr_mtx

#!/usr/bin/python3
def square_matrix_simple(matrix=[]):
    sqr_mtx = []
    for row in matrix:
        row = list(map(lambda x: x**2, row))
        sqr_mtx.append(row)
    return sqr_mtx
