from __future__ import print_function
import math
ratio = math.pi.as_integer_ratio()
# It can be verified with:
print(ratio[0] / ratio[1]) # for Python 3.x
# or
print(1.0 * ratio[0] / ratio[1]) # for Python 2.7x
# It gives:
# 3.141592653589793
# which is the value of pi to some decimal places.