if the average ( arithmetic mean ) of the 4 numbers 3 , 16 , 33 , and ( n + 1 ) is 20 , then n =
n0 = 4.0
n1 = 3.0
n2 = 16.0
n3 = 33.0
n4 = 1.0
n5 = 20.0
t0 = n1 + n2
t1 = n0 * n5
t2 = n3 + t0
t3 = n4 + t2
answer = t1 - t3
print(answer)