--- Python 3.8.3 ---
def MatrixPrint(Matr):
matrixstring = ''
rows = len(Matr)
cols = len(Matr[0])
for row in range(rows):
for col in range(cols):
matrixstring += str(Matr[row][col]) + ' '
matrixstring += '\n'
print(matrixstring)
def main():
n = int(input())
Matr = [[int(i) for i in input().split(maxsplit=n)] for i in range(n)]
for i in range(n):
Matr[i][i], Matr[i][n-i-1] = Matr[i][n-i-1], Matr[i][i]
MatrixPrint(Matr)
if __name__ == "__main__":
main()
Объяснение:
