simple simple grrr
import math
import time
while 1:
r = input("Enter Circle Radius --> ")
circ = (pow(r,2)) * 3.14
print ''
print 'The circumferance of a circle with a radius of ',r,'is',circ,'.'
print ''
time.sleep(2)
print ''
print ''
print ''
print "Loop Start or Exit? 'l' or 'e'."
print ''
choice = input("--> ")
if choice == l:
time.sleep(2)
os.startfile("C:\Documents and Settings\Sameer\Desktop\Circumferance Finder.py",r)
quit()
if choice == e:
quit()