ZFTSH Programming Elements Task 7

import math, random

def inscribed(n, alpha):
    return n * math.cos(alpha)

def described(n, alpha):
    return n / math.tan(alpha)

ans = []
n = random.randint(100, 10*1000)
for i in range(n):
    n = random.randint(100, 10*1000)
    alpha = math.radians(90*(n-2)/n)
    ans += [inscribed(n, alpha)]
    ans += [described(n, alpha)]

print(sum(ans)/len(ans))