simple gen and hash password

password.py

import string
import random
import uuid
import hashlib
import os

def gen_password():
    print("Gen Password . . .\n")
    try:
        password = input("Enter a password or Enter . to generate one :")
        if password == '.':
            char = string.ascii_letters + string.digits + string.punctuation
            new_password = ''.join((random.choice(char)) for i in range(random.randint(5,5)))
            print("generated password is {0}".format(new_password))
        else:
            print("your entered password is {0}".format(password))
    except ValueError:
        print('\nError\n{0}'.format(ValueError))
    else:
        print("\nwell done\n")
    finally:
        print("\n------------------------------------------------")
        return password

def hash_password(password):
    print("Hash Password . . .\n")
    try:
        salt = uuid.uuid4().hex.encode('utf-8')
        password = password.encode('utf-8')
        hashed_password = hashlib.sha512(password + salt).hexdigest()

        #
        salt = salt.decode()
        salt = str(salt)
        hashed_password = str(hashed_password)

        print('salt : {0}\nhashed password : {1}'.format(salt, hashed_password))
        with open('file', 'a') as f:
            f.write("Salt : {0}\n Hashed Password : {1}\n".format(salt, hashed_password))
    except ValueError:
        print('ERROR {0}'.format(ValueError))
    else:
        print('\nwell done\n')
    finally:
        print("\n------------------------------------------------")


def main():
    password = gen_password()

    pid = os.fork()
    if pid == 0:
        hash_password(password)
        os._exit(0)
    else:
        ret_pid, status = os.wait()

    if status == 0:
        print("\n\nProgram exit seccesfuly\n\n")

if __name__ == "__main__":
    main()