New password generator app using python

#New password generator app using python 

import random
import string

def generate_password(length, include_lowercase=True, include_uppercase=True,
                      include_digits=True, include_punctuation=True):
    characters = ''
    if include_lowercase:
        characters += string.ascii_lowercase
    if include_uppercase:
        characters += string.ascii_uppercase
    if include_digits:
        characters += string.digits
    if include_punctuation:
        characters += string.punctuation

    if not characters:
        raise ValueError('No character types selected for password generation.')

    password = ''.join(random.choice(characters) for _ in range(length))
    return password

if __name__ == '__main__':
    while True:
        try:
            length = int(input('Enter the desired length of the password: '))
            if length <= 0:
                raise ValueError
            break
        except ValueError:
            print('Invalid input. Please enter a positive integer.')

    include_lowercase = input('Include lowercase letters? (y/n): ').lower() == 'y'
    include_uppercase = input('Include uppercase letters? (y/n): ').lower() == 'y'
    include_digits = input('Include digits? (y/n): ').lower() == 'y'
    include_punctuation = input('Include punctuation? (y/n): ').lower() == 'y'

    try:
        password = generate_password(length, include_lowercase, include_uppercase,
                                     include_digits, include_punctuation)
        print('Generated Password:', password)
    except ValueError as e:
        print('Error:', str(e))