input: from typing import List
  
  def elementWiseMultiplication(A: List[List[int]], B: List[List[int]]) -> List[List[int]]:
      """ Takes two matrices A and B, and produces a matrix C where each element is the product
      of the corresponding elements of A and B. 
      >>> elementWiseMultiplication([[3, 4], [1, 2]], [[7, 5], [0, 1]])
      [[21, 20], [0, 2]]
      """
output:     C = []
      for i in range(len(A)):
          row = []
          for j in range(len(A[i])):
              row.append(A[i][j] * B[i][j])
          C.append(row)
      return C