input: import string
  import random
  
  def generate_password() -> str:
      """ Generate a random password consisting of 8 characters, including both letters and digits.
      >>> generate_password()
      'aB3cD5eF'
      >>> generate_password()
      '7GhIj2Kl'
      """
      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))