if a function f is defined by f ( x ) = - 1 / x for all non zero numbers x . if f ( a ) = - 1 / 3 and f ( ab ) = 1 / 6 then b = ?
n0 = 1.0
n1 = 1.0
n2 = 3.0
n3 = 1.0
n4 = 6.0

answer = n4 / n2
print(answer)