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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_in_targets(self, site, targets):
 """ Test whether a site contains elements in the target list Args: site (Site):
 Site to assess targets ([Element]) List of elements Returns: (boolean) Whether this site contains a certain list of elements """

        elems = self._get_elements(site)
        for elem in elems:
            if elem not in targets:
                return False
        return True