input: 
  def generate_random_string(length: int) -> str:
      """ Generate a random string of specified length made of uppercase letters and numbers.
      >>> generate_random_string(8)
      'A5B7K9L2'  # Example output, actual output may vary
      """
      import string
      import random
      
      chars = string.ascii_uppercase + string.digits
      return ''.join(random.choice(chars) for i in range(length))
  
output:     import string
      import random
      
      chars = string.ascii_uppercase + string.digits
      return ''.join(random.choice(chars) for i in range(length))