Python math function | copysign() Last Updated : 14 Feb, 2023 Summarize Comments Improve Suggest changes Share Like Article Like Report 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. Time Complexity: O(1) Auxiliary Space: O(1) Code #1: Python3 # 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: Python3 # 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 Comment More infoAdvertise with us Next Article Python math function | copysign() G garg_ak0109 Follow Improve Article Tags : Python Python-Built-in-functions Python math-library-functions Practice Tags : python Similar Reads Python | math.copysign() function In Python, math module contains a number of mathematical operations, which can be performed with ease using the module. math.copysign(a, b) function return a float with the magnitude (absolute value) of a but the sign of b. Syntax: math.copysign(a, b) Parameter: a, b: numeric values. Returns: Return 1 min read Function Composition in Python Function composition is a powerful concept where two or more functions are combined in such a way that the output of one function becomes the input for the next. It allows for the creation of complex functionality from simple, reusable building blocks. This concept is widely used in functional progr 6 min read Python compile() Function Python is a high-level, general-purpose, and very popular programming language. In this article, we will learn about the Python compile() function. Python compile() Function SyntaxPython compile() function takes source code as input and returns a code object that is ready to be executed and which ca 3 min read numpy.copysign() in Python numpy.copysign(arr1, arr2, out = None, where = True, casting = âsame_kindâ, order = âKâ, dtype = None) : This mathematical function helps user to change the sign of arr1 and arr2. Both arr1 or arr2 can be either list/sequence or a scalar value. If sequence, both must have same dimension; otherwise a 2 min read Python Dictionary copy() Python Dictionary copy() method returns a shallow copy of the dictionary. let's see the Python Dictionary copy() method with examples:  Examples Input: original = {1:'geeks', 2:'for'} new = original.copy() // Operation Output: original: {1: 'one', 2: 'two'} new: {1: 'one', 2: 'two'}Syntax of copy() 3 min read Like