def matrix_parse(matrix):
	out = []
	for row in matrix.split('\n'):
		out.append([int(col) for col in row.split()])

	return out

def matrix_sum(matrix):
	row_sum  = []
	col_sum = [0 for col in range(len(matrix)+1)]

	for row in matrix:
		row_sum.append(sum(row))
		for idx, col in enumerate(row):
			col_sum[idx] += col

	return row_sum, col_sum

def matrix_get_element_width(matrix):
	max = 0
	for row in matrix:
		for element in row:
			if max < len(str(element)):
				max = len(str(element))

	return max

def matrix_print(matrix, width=None):
	if not width:
		return matrix_print(matrix, matrix_get_element_width(matrix))

	for row in matrix:
		print('', *['{:{}d}'.format(el, width) for el in row], '', sep=' | ')

def matrix_from_file(file):
	with open(file, 'r') as file:

		return matrix_parse(file.read())


m1 ='''10 5 4 20
9 33 27 16
11 6 55 3'''

# m1 = matrix_parse(m1)
# print(m1)
# print(matrix_sum(m1))
# print(matrix_get_element_width(m1))
# matrix_print(m1)

m2 = matrix_from_file('./matrix.txt')
print(matrix_sum(m2))