تحديات برمجيةالتحدي الخامس - حل التمرين الرابع بلغة بايثون

rows = 0
cols = 0
p_counter = 0
n_counter = 0
z_counter = 0

while rows <= 0:
    rows = int(input('Enter rows number: '))

while cols <= 0:
    cols = int(input('Enter cols number: '))

matrix = [[0] * cols for i in range(rows)]

for i in range(rows):
    for j in range(cols):
        matrix[i][j] = int(input("Enter matrix[" + str(i) + "][" + str(j) + "]: "))

for i in range(rows):
    for j in range(cols):

        if matrix[i][j] > 0:
            p_counter += 1

        elif matrix[i][j] < 0:
            n_counter += 1

        else:
            z_counter += 1

print('\nNumber of positive numbers:', p_counter)
print('Number of negative numbers:', n_counter)
print('Number of zeros:', z_counter)