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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 find_methods(self):
 """Find the methods that could satisfy this request This will go through and find any method that starts with the request.method, so if the request was GET /foo then this would find any methods that start with GET https://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html :returns: list of tuples (method_name, method), all the found methods """

        methods = []
        req = self.request
        method_name = req.method.upper()
        method_names = set()

        members = inspect.getmembers(self)
        for member_name, member in members:
            if member_name.startswith(method_name):
                if member:
                    methods.append((member_name, member))
                    method_names.add(member_name)

        if len(methods) == 0:
            # https://www.w3.org/Protocols/rfc2616/rfc2616-sec5.html#sec5.1
            # and 501 (Not Implemented) if the method is unrecognized or not
            # implemented by the origin server
            logger.warning("No methods to handle {} found".format(method_name), exc_info=True)
            raise CallError(501, "{} {} not implemented".format(req.method, req.path))

        elif len(methods) > 1 and method_name in method_names:
            raise ValueError(
                " ".join([
                    "A multi method {} request should not have any methods named {}.",
                    "Instead, all {} methods should use use an appropriate decorator",
                    "like @route or @version and have a unique name starting with {}_"
                ]).format(
                    method_name,
                    method_name,
                    method_name,
                    method_name
                )
            )

        return methods