code: def multiply(multiplicand: list, multiplier: list) -> list:
      """
      :type A: List[List[int]]
      :type B: List[List[int]]
      :rtype: List[List[int]]
      """
      multiplicand_row, multiplicand_col = len(multiplicand), len(
          multiplicand[0]
      )
      multiplier_row, multiplier_col = len(multiplier), len(
          multiplier[0]
      )
      if multiplicand_col != multiplier_row:
          raise Exception(
              "Multiplicand matrix not compatible with Multiplier matrix."
          )
      # create a result matrix
      result = [[0] * multiplier_col for i in range(multiplicand_row)]
      for i in range(multiplicand_row):
          for j in range(multiplier_col):
              for k in range(len(multiplier)):
                  result[i][j] += multiplicand[i][k] * multiplier[k][j]
      return result
  
label_desc: Use image node_id 1 for calling a global function with example usage: multiply(multiplicand, multiplier) and returns: result