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"