parameters: (s)
return_statement: return s.upper()
docstring: upper(s) -> string
  
      Return a copy of the string s converted to uppercase.
docstring_summary: upper(s) -> string
docstring_tokens: upper ( s ) - > string
function: def upper(s):
      """upper(s) -> string
  
      Return a copy of the string s converted to uppercase.
  
      """
      return s.upper()
function_tokens: def upper ( s ) : return s . upper ( )