# File: chaos-mod-6.py
# A simple program illustrating chaotic behavior

def main():
   print "This program illustrates a chaotic function"
   x = input("Enter a number between 0 and 1:")
   y = input("Enter another number between 0 and 1:")
   print "input", x,  y
   #print "input", x, "\t", y
   print "-------------------------------------"
   for i in range(10):
      x = 3.9 * x * (1-x)
      y = 3.9 * x * (1-x)
      print x, y
      #print "\t", x, "\t", y

main()