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Python math function | copysign()
• Last Updated : 01 Jan, 2019

math.copysign() is a function exists in Standard math Library of Python. This function returns a float value consisting of magnitude from parameter x and the sign (+ve or -ve) from parameter y.

Syntax : math.copysign(x, y)

Parameters :
x : Integer value to be converted
y : Integer whose sign is required

Returns : float value consisting of magnitude from parameter x and the sign from parameter y.

Code #1:

 `# Python code to demonstrate copy.sign() function``import` `math`` ` `def` `func():``    ``a ``=` `5``    ``b ``=` `-``7`` ` `     ` `    ``# implementation of copysign``    ``c ``=` `math.copysign(a, b)``     ` `    ``return` `c``     ` `print` `(func())`

Output :

`-5.0`

Code #2:

 `# Python code to demonstrate copy.sign() function``import` `math`` ` `def` `func():``    ``a ``=` `10``    ``b ``=` `10`` ` `     ` `    ``# implementation of copysign``    ``c ``=` `math.copysign(a, b)``     ` `    ``return` `c``     ` `print` `(func())`

Output :

`10`

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