Answer
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Work Step by Step
# 11.22 (Even number of 1s) Write a program that generates a two-dimensional
# matrix filled with 0s and 1s, displays the matrix, and checks to see if every row
# and every column has an even number of 1s.
import random
def main():
n = 6
matrix = []
# Initialize matrix and display it
for i in range(n):
matrix.append([])
for j in range(n):
matrix[i].append(random.randint(0, 1))
print(matrix[i][j], end=" ")
print()
if isEvenParity(matrix):
print("All rows and columns are even")
else:
print("Not all rows and columns are even")
def isEvenParity(matrix):
for i in range(len(matrix)):
sum = 0
for j in range(len(matrix[i])):
sum += matrix[i][j]
if sum % 2 != 0:
return False
for j in range(len(matrix[0])):
sum = 0
for i in range(len(matrix)):
sum += matrix[i][j]
if sum % 2 != 0:
return False
return True
main()
