پاسخ پرسش تعادل اعداد
def tape_equilibrium(a):
head = a[0]
tail = sum(a[1:])
min_dif = abs(head - tail)
for index in range(1, len(a) - 1):
head += a[index]
tail -= a[index]
min_dif = min(min_dif, abs(head - tail))
return min_dif