import random
import string

def random_password(length):
    chars = string.ascii_letters + string.digits
    password = ''.join(random.choice(chars) for i in range(length))
    print(password)


random_password(18)
random_password(18)
random_password(18)
random_password(18)
random_password(18)
random_password(18)
random_password(18)
random_password(18)
random_password(18)
random_password(18)
random_password(18)