# File: chaos_comments.py
# A simple program illustrating chaotic behavior with comments

# Defining a new function called "main"
# programs are often placed in the function called "main"
def main():
   print "This program illustrates a chaotic function"
   x = input("Enter a number between 0 and 1:")
   for i in range(10):
      x = 3.9 * x * (1-x)
      print x


# invoke the defined main function
main()