Python | fsum() function
Last Updated :
16 Feb, 2023
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fsum() is inbuilt function in Python, used to find sum between some range or an iterable. To use this function we need to import the math library. Syntax :
maths.fsum( iterable )
Parameter :
iterable : Here we pass some value which is iterable like arrays, list.
Use :
fsum() is used to find the sum of some range, array , list.
Return Type :
The function return a floating point number.
Time Complexity: O(n) where n is the size of the list.
Auxiliary Space: O(1)
Code demonstrating fsum() :
# Python code to demonstrate use
# of math.fsum() function
# fsum() is found in math library
import math
# range(10)
print(math.fsum(range(10)))
# Integer list
arr = [1, 4, 6]
print(math.fsum(arr))
# Floating point list
arr = [2.5, 2.4, 3.09]
print(math.fsum(arr))
Output :
45.0 11.0 7.99