#imports

import string
import secrets

#create password

def create_password(length: int) -> str:
    pool = string.digits
    return ''.join(secrets.choice(pool) for _ in range(length))

#length and check
while True:

    try:
        length = int(input("Choice the length of the password: "))
        
        if length >= 4:
            break
            
        else:
            print("the number must be 4 or biggger")
            
    except ValueError:
        print("only numbers are allowed")
        
#output
print("password: ", create_password(length))