check_password_pwned.py

#!/usr/bin/env python3
import sys
import requests
from hashlib import sha1


checked_hash = sha1(sys.argv[1].encode()).hexdigest().upper()
prefix, suffix = checked_hash[:5], checked_hash[5:]
r = requests.get('https://api.pwnedpasswords.com/range/' + prefix)
if r.text.find(suffix) == -1:
    print('strong password')
else:
    print('weak password')