code: def findGlyph(self, glyphName):
          
          glyphName = normalizers.normalizeGlyphName(glyphName)
          groupNames = self._findGlyph(glyphName)
          groupNames = [self.keyNormalizer.__func__(
              groupName) for groupName in groupNames]
          return groupNames
docs: Returns a ``list`` of the group or groups associated with
          **glyphName**.
          **glyphName** will be an :ref:`type-string`. If no group is found
          to contain **glyphName** an empty ``list`` will be returned. ::
  
              >>> font.groups.findGlyph("A")
              ["A_accented"]