// Playground - noun: a place where people can play
func getAverage(numbers: Int...) -> Double{
var total = 0
var average:Double = 0
for number in numbers{
total = total + number
}
average = total / numbers.count
return average
}
getAverage(3, 6)
我在average = total / numbers.count
上出错了
找不到接受提供的参数的"/"的重载
我试图通过以下方式解决问题:
average = Double(total/numbers.count)
但后来,getAverage设置为4
,而不是4.5