python学习笔记（一）

1、流程控制

#!/usr/bin/python

#filename:test.py



number = 23

running = True

while running:

    guess = int(raw_input('Enter an integer: '))

    if guess == number : 

     print "congratulations,you guess it."

     print "(but you do not win any prizes!)"

     running = False

    elif guess < number: 

     print "No,it is a litter higher than that"

    else :

     print "No,it is a litter lower than that"

else:

    print "The while loop is over"

print "Done"