math - finding PI value using "Python"

Question

This question already has answers here: question from:https://stackoverflow.com/questions/65896968/finding-pi-value-using-python

Answer 1

More simply, you can test with

>>> "{:.60f}".format(1/3)
'0.333333333333333314829616256247390992939472198486328125000000'

It's not just a problem of PI, but common in all float type. You may find more information from Limiting floats to two decimal points.