zk-to-hex10.py

#!/usr/bin/python3
import sys

zk_code = sys.argv[-1].rjust(20, "0")
print("ZK Code: {}".format(zk_code))
result = ""

# Iterate though bytes
for i in range(0, 20, 4):
    nibble1 = bin(int(zk_code[i:i+2]))[2:].rjust(4, "0")
    nibble2 = bin(int(zk_code[i+2:i+4]))[2:].rjust(4, "0")
    result += hex(int((nibble1 + nibble2)[::-1], 2))[2:].rjust(2, "0")

print("Hex10 Code: {}".format(result))