#NEWLINE# def test_difference( self ) : #NEWLINE# #INDENT# result = seq ( [ 1 , 2 , 3 ] ) . difference ( [ 2 , 3 , 4 ] ) #NEWLINE# expect = [ 1 ] #NEWLINE# self . assert_type ( result ) #NEWLINE# self . assertSetEqual ( result . set ( ) , set ( expect ) )