import os
os.system("CLS")

print '\n' * 25

import time, sys
# Get the amount of characters wide the terminal is. 
# On *nix you can do: int(os.popen("tput cols").read().strip())
width = getTerminalWidth()
message1 = "Message number 1"
# Print message1 to the terminal, padded to the end of the line with spaces. 
# If we pad the output then we know how many backspaces characters
# we need to write out to clear the whole line. width - len(message1) will
# give us the amount of space characters we need.
sys.stdout.write(message1 + " " * (width - len(message1)))
# Flush the text we've written to stdout. If Python doesn't see a newline
# it doesn't flush for you.
sys.stdout.flush()
# Pause execution for a second...
time.sleep(1)
# Now clear the line
sys.stdout.write("\b" * width)
# And write a new message
sys.stdout.write("Message number 2...\n")

sys.stdout.write("\b" * width)
sys.stdout.write("\r")

class Evil(object):
    def __init__(self, val):
        self.val = int(val)
        self.state = False

    def __add__(self, other):
        return Evil(self.val + other)

    def __pos__(self):
        if self.state:
            self.val += 1
        self.state = not self.state
        return self

    def __repr__(self):
        return str(self.val)

x = Evil(2)
++x
print x
y = (++x) + 2
++y
print y