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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 from_dict(self, fd, sep=_sep, strip=None):
 """ Populate the instances attributes using an input dict The input dict must be properly formatted In practice it should be the return output of a similar class to_dict() Parameters fd : dict The properly formatted ditionnary from which to read the attributes sep : str The separator that was used to format fd keys (cf. self.to_dict()) strip : int Flag indicating how stripped the resulting object shouyld be (cf. self.strip()) """


        self._reset()
        dd = reshape_dict(fd)

        # ---------------------
        # Call class-specific
        self._from_dict(dd)
        # ---------------------
        self._dstrip.update(**dd['dstrip'])
        if 'dId' in dd.keys():
            self._set_Id(Id=ID(fromdict=dd['dId']))

        if strip is None:
            strip = self._dstrip['strip']
        if self._dstrip['strip'] != strip:
            self.strip(strip, verb=verb)