import Foundation
// Note: I have written and saved this before today as anonymous author
// The origian version is from yesterday at https://[Log in to view URL]
// In this version was added ANSI colour codes - blue text on white background

func average(array: [Double]) -> (avg: Double, n: Int) {
  var xSum = array[0]

  for value in array[1..<array.count] {
    xSum += value
  }

  let n: Int = array.count
  let avg = xSum / Double(n)
  return (avg, n)
}

func minMax(array: [Double]) -> (min: Double, max: Double) {
    var min = array[0]
    var max = array[0]
    for value in array[1..<array.count] {
        if value < min {
            min = value
        } else if value > max {
            max = value
        }   
    }   
    return (min, max)
}


let dataBuffer =
  [
    0.8, 6.7, 5.3, 1.6, -2.2, 1.7, 1.2, 2.7, -1.5, -5.1, -3.6, -0.2, 2.9, 3.4, 5.4, 5.9, 5.7, 3.0,
    4.9, 4.0, 2.0, 3.0, 2.0, 1.8, 2.3, -0.4,1.5,3.2
  ]

let resultsTuple = average(array: dataBuffer)
let avgStr = String(format: "%4.8f", resultsTuple.avg)

let minmaxTuple = minMax(array: dataBuffer)
let finalMin = minmaxTuple.min
let finalMax = minmaxTuple.max
print("\u{1b}[47m") // white background
print("\u{1b}[94m" + "\u{1b}[1m") // blue text ansi
print("April 2025 Temperatures" + "\u{1b}[22m") // Bold text title ansi code
print("Average temperature " + avgStr + " °C")
print("Minimum of temperature \(finalMin) °C")
print("Maximum of temperature \(finalMax) °C")
print("Number of days is \(resultsTuple.n)")
print("Data Table: \(dataBuffer)")