Problem:

Find the expectation of $4.3 x^2+4.2 x+2.6$ where $x \sim $ \text{PoissonDistribution}[3.6]

from sympy import *
from sympy.stats import *

x = Poisson('x', 3.6)
print(E(4.3*x**2+4.2*x+2.6))
