<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _build_request(self, verb, verb_arguments):
 """Builds HttpRequest object. Args: verb (str):
 Request verb (ex. insert, update, delete). verb_arguments (dict):
 Arguments to be passed with the request. Returns: httplib2.HttpRequest: HttpRequest to be sent to the API. """

        method = getattr(self._component, verb)

        # Python insists that keys in **kwargs be strings (not variables).
        # Since we initially build our kwargs as a dictionary where one of the
        # keys is a variable (target), we need to convert keys to strings,
        # even though the variable in question is of type str.
        method_args = {str(k): v for k, v in verb_arguments.items()}
        return method(**method_args)