Distance between two points

Answer 1

Ambica Yarramsetti ,

as already mentioned, you can use the formula in the above post.

but python also has the dist() function in the math library to perform requested task:

from math import dist
print(dist((17,5),(22,11)))

Answer 2

Sqrt((Xa - Xb)^2 + (Ya - Yb)^2)

Pythagoras theorem