Why is different ??

Question

a = 9**16 == int(float(9**16))
b = 9**17 == int(float(9**17))

print (a)
print (b)

https://code.sololearn.com/cm7U8i3B0SSf/?ref=app

Answer 1

Floating-point numbers are represented with certain precision only. For most cases this doesn't make a difference, but for large-scale operations like exponentiation, it might be off to some extent.
Read more:
https://en.m.wikipedia.org/wiki/Floating-point_arithmetic#Accuracy_problems