Code:

import math

x1, y1 = 2, -3
x2, y2 = 8, 9

dist_sq = (x2 - x1)**2 + (y2 - y1)**2
dist = math.sqrt(dist_sq)

print(f"dist_sq: {dist_sq}")
print(f"dist: {dist}")

Output:

dist_sq: 180
dist: 13.416407864998739