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28		 # -*- coding: utf-8 -*-
"""
Created on Thu Sep 15 23:41:45 2016
@author: Shruti
"""
#Iteration with while: using while, write a function which takes one argument,
#an integer n, and calculates the Hailstones sequence starting at n.
#If you don't know the Hailstones sequence:
#if hihi is even, then hi+1=hi/2hi+1=hi/2 ; but if hihi is odd,
#then hi+1=3hi+1hi+1=3hi+1 .
#The sequence will repeat when it reaches the subsequence 4, 2, 1, 4, …… ,
#so your loop should stop when it hits 1
import``math
def``hailstones(x):
while``x &gt;``1``:`<br>print("%d"%x)<br>```if``(x``%``2``=``=``0``):
x``=``x``/``2`<br>print("%d"%x)<br>```elif``(x``%``2``!``=``0``):
x``=``3``*``x``+``1`<br>print("%d"%x)<br>hailstones(15)`