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python中while语句使用范例代码

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python中while语句使用范例代码

#!/usr/bin/python
# Filename: while.py
number = 23
running = True
while running:
    guess = int(raw_input('Enter an integer : '))
    if guess == number:
        print 'Congratulations, you guessed it.' 
        running = False # this causes the while loop to stop
    elif guess < number:
        print 'No, it is a little higher than that' 
    else:
        print 'No, it is a little lower than that' 
else:
    print 'The while loop is over.' 
    # Do anything else you want to do here
print 'Done'
{--输出
}--
$ python while.py
Enter an integer : 50
No, it is a little lower than that.
Enter an integer : 22
No, it is a little higher than that.
Enter an integer : 23
Congratulations, you guessed it.
The while loop is over.
Done


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