Problem:

Find the expectation of $-0.8 x^3+3. x^2+4. x-9.2$ where $x \sim $ \text{LaplaceDistribution}[0,1.]

from sympy import *
from sympy.stats import *

x = Laplace('x', 0, 1.)
print(E(-0.8*x**3+3.*x**2+4.*x-9.2))
