13.14

from random import randrange as rnd
n = rnd(15,25)
a = [rnd(10) for x in range(n)]
print(a)
n = 0
m = 0
for i in range(len(a)):
	m = i
for i in range(len(a)):
	n = a[i]
	break
a.pop(0)
a.insert(m, n)
print(a)