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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 _is_intrinsic_dict(self, input):
 """ Can the input represent an intrinsic function in it? :param input: Object to be checked :return: True, if the input contains a supported intrinsic function. False otherwise """

        # All intrinsic functions are dictionaries with just one key
        return isinstance(input, dict) \
            and len(input) == 1 \
            and list(input.keys())[0] in self.supported_intrinsics