input: import string
  import random
  
  def generate_password() -> str:
      """Generate a random password consisting of 8 characters.
      
      >>> len(generate_password())
      8
      """
      chars = string.ascii_letters + string.digits
      return ''.join(random.choice(chars) for _ in range(8))
output:     chars = string.ascii_letters + string.digits
      return ''.join(random.choice(chars) for _ in range(8))