Program to find the mid-point of a line

Given two coordinates of a line starting is (x1,y1) and ending is (x2,y2) find out the mid-point of a line. 
Examples :

Input : x1 = –1, y1 = 2,
x2 = 3, y2 = –6
Output : 1,–2

Input : x1 = 6.4, y1 = 3
x2 = –10.7, y2 = 4
Output : –2.15, 3.5 

The Midpoint Formula: The midpoint of two points, (x1, y2) and (x2, y2) is the point M found by the following formula: M = ((x₁+x₂)/2 , (y₁+y₂)/2)

👁 Image

Output :

1 , -2

Time complexity: O(1) since performing only constant operations

Auxiliary Space: O(1)