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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def call_requests( requests: Union[Request, Iterable[Request]], methods: Methods, debug: bool ) -> Response: """ Takes a request or list of Requests and calls them. Args: requests: Request object, or a collection of them. methods: The list of methods that can be called. debug: Include more information in error responses. """

    if isinstance(requests, collections.Iterable):
        return BatchResponse(safe_call(r, methods, debug=debug) for r in requests)
    return safe_call(requests, methods, debug=debug)