input: Write a function to get the coordinates of an address using the Google Maps Geocoding API.
  assert get_coordinates("1600 Amphitheatre Parkway, Mountain View, CA") == (37.4224764, -122.0842499)
  assert get_coordinates("1 Infinite Loop, Cupertino, CA") == (37.33182, -122.03118)
  assert get_coordinates("350 Fifth Avenue, New York, NY") == (40.748817, -73.985428)
output: import requests
  
  def get_coordinates(address):
      api_key = 'YOUR_GOOGLE_MAPS_API_KEY'  # Replace with your actual API key
      base_url = "https://maps.googleapis.com/maps/api/geocode/json"
      params = {
          'address': address,
          'key': api_key
      }
      response = requests.get(base_url, params=params)
      results = response.json().get('results', [])
      
      if not results:
          return None
      
      location = results[0]['geometry']['location']
      return (location['lat'], location['lng'])