hexshow.py

hexshow.py

with open('png.png', 'rb') as file:
    content = file.read()


for i in range(0 , len(content), 16):
    # row offset
    print(f'{i:08X}', end='  ')

    # byte display
    row = content[i:i + 16]
    for byte in row:
        print(f'{byte:02X} ', end='')

    # padding
    if len(row) < 16:
        print('', ' '.join(['  '] * (16 - len(row))), end='')

    # char display
    print('', ''.join([
        chr(byte)
        if 0x20 <= byte <= 0x7f
        else '.'
        for byte in row
    ]))