#NEWLINE# def adder( a , b ) : #NEWLINE# #INDENT# "\n    Return a added to b.\n\n    >>> adder(1, 3)\n    3\n    >>> adder('a', 'b')\n    'ab'\n    >>> adder(1, 'b')\n    Traceback (most recent call last):\n    TypeError: unsupported operand type(s) for +: 'int' and 'str'\n    " #NEWLINE# return ( a + b )