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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_pointer(type_):
 """returns True, if type represents C++ pointer type, False otherwise"""

    return does_match_definition(type_,
                                 cpptypes.pointer_t,
                                 (cpptypes.const_t, cpptypes.volatile_t)) \
        or does_match_definition(type_,
                                 cpptypes.pointer_t,
                                 (cpptypes.volatile_t, cpptypes.const_t))