Simple Hex Dump in Python3

hexdump.py

#!/usr/bin/env python3

def hexdump(bytes_input, width=16):
    current = 0
    end = len(bytes_input)
    result = ""

    while current < end:
        byte_slice = bytes_input[current : current + width]

        # hex section
        for b in byte_slice:
            result += "%02X " % b

        # filler
        for _ in range(width - len(byte_slice)):
            result += " " * 3
        result += " " * 2

        # printable character section
        for b in byte_slice:
            if (b >= 32) and (b < 127):
                result += chr(b)
            else:
                result += "."

        result += "\n"
        current += width
        
    return result


dump_str = hexdump(b"example\x00\xAA\x00exampleYOHO\x00\xAA\x00exampleYOHO\x00\xAA\x0A\x00\xAA\x00A")
print(dump_str)
"""
Output:
65 78 61 6D 70 6C 65 00 AA 00 65 78 61 6D 70 6C   example...exampl
65 59 4F 48 4F 00 AA 00 65 78 61 6D 70 6C 65 59   eYOHO...exampleY
4F 48 4F 00 AA 0A 00 AA 00 41                     OHO......A
"""