mojang_check_alex_or_steve

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import sys
import requests
import struct
import uuid

def java_uuid_hash_code(uuid):
    leastSigBits, mostSigBits = struct.unpack('>QQ', uuid.bytes)
    l1 = leastSigBits & 0xFFFFFFFF
    l2 = (leastSigBits & 0xFFFFFFFF00000000) >> 32
    m1 = mostSigBits & 0xFFFFFFFF
    m2 = (mostSigBits & 0xFFFFFFFF00000000) >> 32
    return (l1 ^ l2) ^ (m1 ^ m2)

username = sys.argv[1]
profile_info = requests.get('https://api.mojang.com/users/profiles/minecraft/' + username).json()
profile_id = uuid.UUID(profile_info['id'])
profile_hash = java_uuid_hash_code(profile_id)
if profile_hash % 2 == 0:
    print("You're a Steve")
else:
    print("You're an Alex")

You could just check if the last character is % 2 == 0