Distance.py

class Classes(object):
    def __init__(self, x, y):
        self.x = x
        self.y = y

    def distance(self, other):
        x_diff_sq = (self.x - other.x) ** 2
        y_diff_sq = (self.y - other.y) ** 2
        return (x_diff_sq + y_diff_sq) ** 0.5


c = Classes(3, 4)
origin = Classes(0, 0)

print(c.distance(origin))
print(Classes.distance(c, origin))

# https://github.com/dadou-steven/mathematical/blob/main/src/main/java/appsinc/fr/lesmaths/Distance.java