refactory, rename some files for easy reading

Hong-Phuc Bui

2025-05-06 ef533c5c40105c256ef8d08a17e2daf2b094856f

1
2
3
4
5
for y in range(2,10):    
    for x in range(1,10):
        expr = f"{y} x {x} = {y*x:x}"
        print(expr)
    print('-' * len(expr))