please wirte the output: system programming

and here chose the right answer:

def f1(x = 1, y = 2): x=x+y 9 y += 1 print(x, y) fl(y = 2, x = 1) list1 = [1, 3] list2 list1 list1[0] = 4 print(list2) = 10 7. Which of the following is the output of the lines of code specified below? x=1 print(++++x) a) c) 3 1 b) d) 2 4 8. Which Of The Following Keywords Mark The End Of The Function Definition? a) return class b) d) def All of the above