matrix.py

import numpy as np

def calculateMatrixMultiplication(A:np.array, B:np.array) -> np.array:
    rowsA = A.shape[0]
    colsA = A.shape[1]
    rowsB = B.shape[0]
    colsB = B.shape[1]
    C = np.zeros((rowsA, colsB), dtype=int)
    for r in range(rowsA):
        for c in range(colsB):
            result = 0
            for k in range(colsA):
                result += A[r][k] * B[k][c]
            C[r][c] = result
            print(result)

    return C

def main() -> None:

    A = np.array([[3, -1, -2],
                  [2, 4, -2]
                  ])
    
    B = np.array([[2, -2],
                    [3, 1],
                    [-2, 4]
                  ])

    calculateMatrixMultiplication(A, B)

    print("Done")

main()