input: Write a function to create a dictionary in Python with given key-value pairs. Return the dictionary with the keys and values added according to the provided input. If no input is provided, the function should return an empty dictionary.
  assert create_dict("FirstName", "John")=={"FirstName": "John"}
  assert create_dict("LastName", "Doe")=={"LastName": "Doe"}
  assert create_dict("Age", 30)=={"Age": 30}
  assert create_dict("Country", "USA")=={"Country": "USA"}
  assert create_dict()=={}
output: def create_dict(*args):
      if len(args) == 0:
          return {}
      elif len(args) == 2:
          return {args[0]: args[1]}
      else:
          raise ValueError("Function accepts either 0 or 2 arguments")