# mathimport.py
# Neal Nelson
# 2009.10.12
#
# Another way to import the math library
# In this method you can just say sqrt(4) instead of math.sqrt(4).

from math import *

def main():
  n1,n2,n3 = input("Enter three numbers separated by commas: ")
  print "square roots: ", sqrt(n1), sqrt(n2), sqrt(n3)

main()