# Pythagorean distance

x0 = 0
y0 = 0
x1 = 4
y1 = 3
diff_x = x1 - x0
diff_y = y1 - y0
diff_x_squared = diff-x * diff-x
diff_y_squared = diff_y * diff_y
distance = (diff_Y_squared + diff_X_squared) ** 0.5
print(distance)