#!/bin/env python

"""This illustrates how Python handles the streams STDIN, STDOUT, and STDERR.
"""

import sys

# Enumerate lines in STDIN and print them to both STDOUT and STDERR.
for line in sys.stdin:
    print >> sys.stdout, "STDOUT>>%s" % line[:-1]
    print >> sys.stderr, "STDERR>>%s" % line[:-1]