parameters: (self)
return_statement: return len(self.contents)
docstring: The length of a tag is the length of its list of contents.
docstring_summary: The length of a tag is the length of its list of contents.
docstring_tokens: The length of a tag is the length of its list of contents .
function: def __len__(self):
          "The length of a tag is the length of its list of contents."
          return len(self.contents)
function_tokens: def __len__ ( self ) : return len ( self . contents )