Python json_md5

import hashlib
import json

names = ["Tom", "John", "Tom"]

def json_md5(name):
    json_str = json.dumps({"name": name})
    hash1 = hashlib.md5()
    hash1.update(json_str.encode('utf-8'))
    return hash1.hexdigest()

names_md5key = [json_md5(name) for name in names]
assert len(names_md5key[0]) == 32
assert names_md5key[0] == names_md5key[2]