Simple cheap string hasher in Python

cheap_hasher.py

import hashlib

def compute_cheap_hash(txt, length=8):
    hash = hashlib.md5()
    hash.update(txt.encode('utf8'))
    return hash.hexdigest()[:length]
    
    
'''
Example:

$ compute_cheap_hash("AB-RTCMC-32.768KHZ-IBO5-S3")
ab6600a4
'''