input: Write a function to create a dictionary in Python with the specified key-value pairs. The function should return the 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("Occupation", None) == {"Occupation": None}
output: def create_dict(key, value):
      return {key: value}