#NEWLINE# def test_op_add( ) : #NEWLINE# #INDENT# this = SortedListWithKey ( range ( 10 ) , load = 4 , key = modulo ) #NEWLINE# assert ( ( ( this + this ) + this ) == ( this * 3 ) ) #NEWLINE# that = SortedListWithKey ( range ( 10 ) , load = 4 , key = modulo ) #NEWLINE# that += that #NEWLINE# that += this #NEWLINE# assert ( that == ( this * 4 ) )