input: Write a function to create a Python dictionary with specified key-value pairs. The function should take two inputs: a key and a value, and return the dictionary with the given key-value pair.
  assert my_dict("FirstName", "John") == {"FirstName": "John"}
  assert my_dict("LastName", "Doe") == {"LastName": "Doe"}
  assert my_dict("ID", 12345) == {"ID": 12345}
  assert my_dict("Age", 25) == {"Age": 25}
  assert my_dict("Occupation", "Engineer") == {"Occupation": "Engineer"}
output: def my_dict(key, value):
      return {key: value}