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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 error_handling(cls, fn):
 """Decorator to handle errors"""

        def wrapper(*args, **kwargs):
            try:
                result = fn(*args, **kwargs)
                return result
            except InvalidRequestError as e:
                write_exception(e)

                if hasattr(e, 'request'):
                    write_error_message('request {0}'.format(repr(e.request)))
                if hasattr(e, 'response'):
                    write_error_message('response {0}'.format(repr(e.response)))

                raise e
        return wrapper