parameters: (words, sep = ' ')
return_statement: return sep.join(words)
docstring: join(list [,sep]) -> string
  
      Return a string composed of the words in list, with
      intervening occurrences of sep.  The default separator is a
      single space.
  
      (joinfields and join are synonymous)
docstring_summary: join(list [,sep]) -> string
docstring_tokens: join ( list [ sep ] ) - > string
function: def join(words, sep = ' '):
      """join(list [,sep]) -> string
  
      Return a string composed of the words in list, with
      intervening occurrences of sep.  The default separator is a
      single space.
  
      (joinfields and join are synonymous)
  
      """
      return sep.join(words)
function_tokens: def join ( words , sep = ' ' ) : return sep . join ( words )