text: # Program to multiply two matrices using nested loops
  
  # 3x3 matrix
  X = [[12,7,3],
      [4 ,5,6],
      [7 ,8,9]]
  # 3x4 matrix
  Y = [[5,8,1,2],
      [6,7,3,0],
      [4,5,9,1]]
  # result is 3x4
  result = [[0,0,0,0],
           [0,0,0,0],
           [0,0,0,0]]
  
  # iterate through rows of X
  for i in range(len(X)):
     # iterate through columns of Y
     for j in range(len(Y[0])):
         # iterate through rows of Y
         for k in range(len(Y)):
             result[i][j] += X[i][k] * Y[k][j]
  
  for r in result:
     print(r)
  