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菜鸟求帮助

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lu学习

#1 Created at ... [Delete] [Delete and Lock User]

a=int(input("请输入任意数字"))

if a >= 0:

    print(a)

else:

    print(-a)

input()

为什么输入一个-6,输出的还是6呀,但是把-a换成error的话输入-6就会输出error,这是怎么回事呀

梁晋东

#2 Created at ... [Delete] [Delete and Lock User]

因为负负得正,--6还是6

lu学习

#3 Created at ... [Delete] [Delete and Lock User]

明白过来啦,谢谢,当时纠结在那啦


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