стоимость банки с чем-либо

from numpy import sqrt
from scipy.optimize import minimize
from numpy import pi
V_0 = 200.0

z=12
y=15

def V(x):
    r,h = x
    v = pi*r*r*h
    return v
def lim1(x):
    return  V(x) - V_0
def lim2(x):
    return min(x)
def S(x):
    r,h = x
    return 2*pi*r*h + 2*pi*r*r
def P(x):
    r,h,y=x
    P=(4*pi*r+h)*y
def Price(x):
    z,r,h,y,S=x
    Pr=(S*z)+((4*pi*r+h)*y)
    return Pr

cons = ({'type': 'eq', 'fun': lim1},
        {'type': 'ineq', 'fun': lim2})


r0 = 5
h0 = V_0/(pi*r0*r0)
x0 = (r0,h0)
sol = minimize(S,x0, constraints = cons)

#print sol.x
#print V(sol.x)
print S(sol.x)
#print Price
print P