Sample numpy for git demo

calc.py

#!/usr/bin/env python
import sys
import os
import numpy as np

text = [[4, 3, 8, 9, 5, 1, 2, 7, 6], [8, 3, 4, 1, 5, 9, 6, 7, 2],
        [6, 1, 8, 7, 5, 3, 2, 9, 4], [6, 9, 8, 7, 5, 3, 2, 1, 4],
        [6, 1, 8, 7, 5, 3, 2, 1, 4], [6, 1, 3, 2, 9, 4, 8, 7, 5]]

text = np.array(text)

A = text[0].reshape((3,3))
B = text[0].reshape((3,3))

print(np.matmul(A, B))