Wrapper around the Serper.dev Google Search API.
You can create a free API key at https://serper.dev.
To use, you should have the environment variable SERPER_API_KEY
set with your API key, or pass serper_api_key as a named parameter
to the constructor.
GoogleSerperAPIWrapper()Example:
.. code-block:: python
from langchain_community.utilities import GoogleSerperAPIWrapper google_serper = GoogleSerperAPIWrapper()