import Foundation
// Function that returns the distance between two decimal numbers
func distanceBetween(_ a: Double, _ b: Double) -> Double {
// The distance is the absolute value of the difference
return abs(a - b)
}
// Test values
let x1: Double = 100.0
let y1: Double = 45.0
let x2: Double = 100.0
let y2: Double = -15.0
let x3: Double = -100.0
let y3: Double = -125.0
let x4: Double = -600.0
let y4: Double = 100.0
// Print results
print("Distance between \(x1) and \(y1) = \(distanceBetween(x1, y1))")
print("Distance between \(x2) and \(y2) = \(distanceBetween(x2, y2))")
print("Distance between \(x3) and \(y3) = \(distanceBetween(x3, y3))")
print("Distance between \(x4) and \(y4) = \(distanceBetween(x4, y4))")
/*
run:
Distance between 100.0 and 45.0 = 55.0
Distance between 100.0 and -15.0 = 115.0
Distance between -100.0 and -125.0 = 25.0
Distance between -600.0 and 100.0 = 700.0
*/
