#!/usr/bin/python

# Print the required header that tells the browser how to render the text.
print "Content-Type: text/plain\n"


# Initialize a few variables.
first, middle, last = 5, 7.5, 10

# Print the values.
print "first:", first
print "middle:", middle
print "last:", last, "\n"

# Swap the values.
first, last = last, first

# Print the values.
print "first:", first
print "last:", last, "\n"

# Right associative assignment.
first = last = middle

# Print the values.
print "first:", first
print "middle:", middle
print "last:", last