import numpy as np

Distributive property

print(100*(0.1 + 0.2))
print(100*0.1 + 100*0.2)

100*(0.1 + 0.2) == 100*0.1 + 100*0.2

Associative property

(np.pi+1e100)-1e100

(np.pi)+(1e100-1e100)

b = 1e80
a = 1e2
print(a + (b - b) )
print((a + b) - b )