def f(xs):
if len(xs) == 0:
return 0
return xs[0] + f(xs[1:])
ls1 = [10, 40, 80]
ls2 = [50, 38, 10]
ls = map(lambda ys: f(ys), [ls1, ls2])
print(ls)
ZGVmIGYoeHMpOgoJaWYgbGVuKHhzKSA9PSAwOgoJCXJldHVybiAwCglyZXR1cm4geHNbMF0gKyBmKHhzWzE6XSkKCgpsczEgPSBbMTAsIDQwLCA4MF0KbHMyID0gWzUwLCAzOCwgMTBdCgpscyA9IG1hcChsYW1iZGEgeXM6IGYoeXMpLCBbbHMxLCBsczJdKQpwcmludChscykK