Question

一个python的编程题，求各位大神帮帮忙，不要用太难的语句，最简单的方法就行了

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Answer 1

def menu(gnum):
    print 'I guess '+str(gnum)
    return input('Am I too high(1),too low(2),or right on?(3)\n')
def playGame():
    startnum=1
    endnum=1000
    midnum=(startnum+endnum)/2
    ch=menu(midnum)
    while ch!=3 and startnum<endnum:
        if ch==1:
            endnum=midnum
        elif ch==2:
            startnum=midnum
        midnum=(startnum+endnum)/2
        ch=menu(midnum)
    if ch==3:
        print 'I got it!'
    else:
        print 'Error!'
if __name__=='__main__':
    playGame()