N91

#g = 9.81
R = 6378 * 10**3
h = 10**3
ro = 3 * 10**3
pi = 3.14
Mz = 5.9726 * 10**24
Min = Mz - 4 / 3 * pi * (R**3 - (R - h)**3)
G = 6.67430 * 10**(-11)
g_ = G * Min / (R - h)**2
g = G * Mz / R**2
relation = g_ / g
print(relation)
print(g_)
print(g)