input: 
  def create_dictionary(key: str, value: str) -> dict:
      """
      Create a dictionary with a single key-value pair based on the input.
  
      >>> create_dictionary("FirstName", "John")
      {'FirstName': 'John'}
      >>> create_dictionary("LastName", "Doe")
      {'LastName': 'Doe'}
      """
      return {key: value}
  
output:     return {key: value}