input: Write a python function to handle a Lambda event which multiplies two inputs and returns the result in JSON format.
  assert lambda_handler({'input1': 3, 'input2': 4}, None) == {'statusCode': 200, 'body': '{"result": 12}'}
  assert lambda_handler({'input1': 5, 'input2': 6}, None) == {'statusCode': 200, 'body': '{"result": 30}'}
  assert lambda_handler({'input1': 7, 'input2': 8}, None) == {'statusCode': 200, 'body': '{"result": 56}'}
output: import json
  
  def lambda_handler(event, context):
      input1 = event['input1']
      input2 = event['input2']
      result = input1 * input2
      return {
          'statusCode': 200,
          'body': json.dumps({'result': result})
      }