https://codeforces.me/problemset/problem/1339/B Hello, i am getting runtime error on this...Can anyone help me out..when i test samples on my own laptop, it is working out fine!!

T = int(input())

for s in range(1,T+1): N = int(input()) l = [int(input()) for i in range(N)] l.sort() p = [] x = len(l) while (len(l)>2): p = [l[0],l[-1]] + p l = l[1:-1] p = l + p

print(*p,sep=" ")