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Python中用于返回绝对值的abs()方法

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Release： 2016-06-10 15:12:33
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 方法abs() 返回x的绝对值，-x-零之间的(正极)的距离。
语法

以下是abs()方法的语法：

abs( x )
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参数

x -- 这是一个数值表达式

返回值

此方法返回x的绝对值。
例子

下面的例子显示abs()方法的使用。

#!/usr/bin/python

print "abs(-45) : ", abs(-45)
print "abs(100.12) : ", abs(100.12)
print "abs(119L) : ", abs(119L)
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当我们运行上面的程序，它会产生以下结果：

abs(-45) : 45
abs(100.12) : 100.12
abs(119L) : 119
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