input: from typing import List
  
  def generate_password():
      """ Generate a random password consisting of 8 characters. The password should include letters and digits.
      Example:
      >>> generate_password()
      'aB3d5fGh'
      """
output:     import random
      import string
      
      characters = string.ascii_letters + string.digits
      password = ''.join(random.choice(characters) for _ in range(8))
      return password