Python built-in functions (1)--abs

Source: Internet
Author: User
Tags square root

English documents:

ABS (x)

Return the absolute value of a number. The argument is a integer or a floating point number. If The argument is a complex number, it magnitude is returned

Description

1. Returns the absolute value of a number, which can be an integer, floating-point, or plural

2. If the argument is a complex number, this method returns the absolute value of this complex number (the square root of the product of the complex number and its conjugate complex number)

Example:

>>>Help (ABS)-on built-inchFunction absinchmodule Builtins:abs (x,/) Return The absolute value of the argument.>>> ABS (2)#positive integers2>>> ABS (-2)#Negative integer2>>> ABS (0)#00>>> ABS (2.3)#positive floating point number2.3>>> ABS (-2.3)#Negative floating point number2.3>>> C1 = Complex ()>>> C1#plural(1+1j)>>> ABS (C1)#Absolute Numbers1.4142135623730951>>> C2 = Complex ( -1,-1)>>> C2#plural( -1-1j)>>> ABS (C2)#Absolute Numbers1.4142135623730951>>>

Python built-in functions (1)--abs

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