Ответ:

t = »’\

5

100

222

300

444

500

2

4»’

 

#ls = tuple(map(int, t.split(»)))

n, t2 = t.split(», 1)

n = int(n)

t3, p, q = t2.rsplit(», 2)

ls = t3.split(»)

ls = tuple(map(int, ls))

p = int(p)

q = int(q)

#print(locals())

assert(len(ls) == n)

 

print(sum(ls[p — 1:q]))