input: Write a function to implement a Python program that stores and queries user data. The function should store the user data in a JSON file and provide a function to retrieve the data from the JSON file.
  assert store_user_data({
      "Name": "John",
      "Age": 25,
      "City": "New York"
  })==None
  assert get_user_data()["Name"]=="John"
  assert get_user_data()["Age"]==25
  assert get_user_data()["City"]=="New York"
  assert get_user_data()=={"Name": "John", "Age": 25, "City": "New York"}
output: def store_user_data(user_data):
      with open('user_data.json', 'w') as file:
          json.dump(user_data, file)
  
  def get_user_data():
      with open('user_data.json', 'r') as file:
          return json.load(file)