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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(self, command, *args):
 """ Sends call to the function, whose name is specified by command. Used by Script invocations and normalizes calls using standard Redis arguments to use the expected redis-py arguments. """

        command = self._normalize_command_name(command)
        args = self._normalize_command_args(command, *args)

        redis_function = getattr(self, command)
        value = redis_function(*args)
        return self._normalize_command_response(command, value)