input: Write a python function to get latitude and longitude coordinates from an address.
  assert get_lat_long_from_address("Eiffel Tower, Paris") == (48.8583701, 2.2944813)
  assert get_lat_long_from_address("Statue of Liberty, New York") == (40.6892494, -74.0445004)
  assert get_lat_long_from_address("Great Wall of China") == (40.4319077, 116.5703749)
output: def get_lat_long_from_address(address):
      import requests
  
      API_URL = "http://api.positionstack.com/v1/forward"
      API_KEY = "your_api_key_here"  # Replace with your actual API key
  
      params = {
          'access_key': API_KEY,
          'query': address,
          'limit': 1
      }
  
      response = requests.get(API_URL, params=params)
      data = response.json()
  
      if data and 'data' in data and len(data['data']) > 0:
          latitude = data['data'][0]['latitude']
          longitude = data['data'][0]['longitude']
          return (latitude, longitude)
  
      return None