# illustrating http://stackoverflow.com/a/28539821/2932052
import timeit
print timeit.timeit("math.pow(2, 100)",setup='import math')
print timeit.timeit("pow(2, 100)")
IyBpbGx1c3RyYXRpbmcgaHR0cDovL3N0YWNrb3ZlcmZsb3cuY29tL2EvMjg1Mzk4MjEvMjkzMjA1MgppbXBvcnQgdGltZWl0CnByaW50IHRpbWVpdC50aW1laXQoIm1hdGgucG93KDIsIDEwMCkiLHNldHVwPSdpbXBvcnQgbWF0aCcpCnByaW50IHRpbWVpdC50aW1laXQoInBvdygyLCAxMDApIik=