import random
N = 4
M = 5
def get_row(column):
col = []
for i in range(0, column):
col.append(random.randint(0, 9))
return col
def get_matrix(row, column):
matrix = []
for i in range(0, row):
matrix.append(get_row(column))
return matrix
def print_matrix(matrix):
i = 0
while i < len(matrix):
j = 0
row = matrix[i]
while j < len(row):
column = row[j]
print(column, end= ' ')
j += 1
print()
i += 1
def get_average(row):
sum = 0
for element in row:
sum += element
return sum/len(row)
def get_column(matrix, index):
column = []
i = 0
while i < len(matrix):
column.append(matrix[i][index])
i += 1
return column
A = get_matrix(N, M)
print("Исходная матрица:")
print_matrix(A)
for row in A:
average = get_average(row)
row.append(average)
i = 0
new_row = []
while i < len(A[0]):
column = get_column(A, i)
average = get_average(column)
new_row.append(average)
i += 1
print("Модифицированная матрица:")
A.append(new_row)
print_matrix(A)
