input: Write a python function to convert a JSON object to a dictionary.
  assert convert_json_to_dict('{"name": "John", "age": 30, "city": "New York"}') == {"name": "John", "age": 30, "city": "New York"}
  assert convert_json_to_dict('{"fruit": "Apple", "size": "Large", "color": "Red"}') == {"fruit": "Apple", "size": "Large", "color": "Red"}
  assert convert_json_to_dict('{"brand": "Ford", "model": "Mustang", "year": 1964}') == {"brand": "Ford", "model": "Mustang", "year": 1964}
output: import json
  
  def convert_json_to_dict(json_string):
      return json.loads(json_string)