What does abs mean in Python?

Abs in Python is a function that processes a number. It returns the absolute value of a number. Its syntax is "abs(x)". There is only one parameter "x" in the use of the syntax, which means is a numerical expression, and the final returned result is the absolute value of this value.

The operating system of this tutorial: Windows 10 system, Python version 3.11.2, DELL G3 computer.

Definition of abs function

In Python, the abs function processes a number. It will return the absolute value of a number. The specific usage syntax As follows:

abs( x )

In the use of syntax, there is only one parameter. This parameter represents a numerical expression. The final returned result is the absolute value of this value. The abs() function is explained below with an example. Usage, examples are as follows:

print "abs(-20) : ", abs(-20)
print "abs(20.12) : ", abs(20.12)
print "abs(10L) : ", abs(10L)

The final running result is:

abs(-20) :  20
abs(20.12) :  20.12
abs(10L) :  10

Extension content:

In fact, in Python, the abs() function is used to calculate a number In the standard library math, there is also a function fabs() that can obtain the absolute value of a number. The final returned result is a floating point number. For example:

import math 导入库
num = input(’请输入一个需要计算绝对值的数：’)
print(math.fabs(num))

In the code, if If you input a positive number, then it returns a positive number, because in the absolute value calculation of any positive number, a positive number is returned.

The abs() function is Python’s numerical function, used to return the absolute value of a number.

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