input: Write a python function to handle a lambda function that responds to a question about the capital of France.
  assert lambda_handler({"queryStringParameters": {"question": "What is the capital of France?"}}, None)["body"] == json.dumps({"answer": "Paris"})
  assert lambda_handler({"queryStringParameters": {"question": "What is the capital of Spain?"}}, None)["body"] == json.dumps({"answer": "Sorry, I don't know the answer to that."})
  assert lambda_handler({"queryStringParameters": {"question": "What is 2+2?"}}, None)["body"] == json.dumps({"answer": "Sorry, I don't know the answer to that."})
output: import json
  
  def lambda_handler(event, context):
      question = event.get("queryStringParameters", {}).get("question", "")
      
      if question == "What is the capital of France?":
          answer = "Paris"
      else:
          answer = "Sorry, I don't know the answer to that."
      
      return {
          "statusCode": 200,
          "body": json.dumps({"answer": answer})
      }