code: def class_name_to_instant_name(name):
      
      name = name.replace('/', '_')
      ret = name[0].lower()
      for i in range(1, len(name)):
          if name[i] == '_':
              ret += '.'
          elif '9' < name[i] < 'a' and name[i - 1] != '_':
              ret += '_' + name[i].lower()
          else:
              ret += name[i].lower()
      return ret
docs: This will convert from 'ParentName_ChildName' to
      'parent_name.child_name'