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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 clean(self):
 """Deallocates the fortran-managed memory that this ctype references. """

        if not self.deallocated:
            #Release/deallocate the pointer in fortran.
            method = self._deallocator()
            if method is not None:
                dealloc = static_symbol("ftypes_dealloc", method, self.libpath, True)
                if dealloc is None:
                    return
                arrtype = ndpointer(dtype=int, ndim=1, shape=(len(self.indices),), flags="F")
                dealloc.argtypes = [c_void_p, c_int_p, arrtype]
                nindices = require(array([i.value for i in self.indices]), int, "F")
                dealloc(byref(self.pointer), c_int(len(self.indices)), nindices)

        self.deallocated = True