Sily love calculator

lovecalc.py

#!/usr/bin/python3
import sys
import hashlib

if len(sys.argv) != 3:
    sys.exit('usage: %s name1 name2' % sys.argv[0])

if sys.argv[2] > sys.argv[1]:
     name1 = sys.argv[1]
     name2 = sys.argv[2]
else:
     name1 = sys.argv[2]
     name2 = sys.argv[1]

name1 = name1.upper()
name2 = name2.upper()

print(name1,name2)

lovehex = hashlib.md5()
lovehex.update(bytes(name1 + '\0' + name2, 'utf-8'))
lovehex = lovehex.hexdigest()
print(lovehex)

love256 = int(lovehex[0:2], 16) 
print(love256)

lovepct = love256 / 256
print("{:.0%}".format(lovepct))