import math
x = 0.9
y = 0.3
z = ((math.sqrt(x) + 5 * y) / math.pi + 0.55 ** 3 * math.cos(x)) ** 3
print(z)
from math import sqrt,pi,cos
f= lambda x,y: (sqrt(x) + 5 * y) / pi + 0.55 ** 3 * cos(x)
print(f(0.9, 0.3))
print(f(0.5, 0.6))
f = lambda x, y: ((sqrt(x) + 5 * y) / pi + 0.55 ** 3 * cos(x)) ** 3