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iOS Object-Oriented Swift Properties Getter and Setter Methods

I don't really know what i'm missing here

I don't know what i'm doing wrong with this setter method can someone please tell me what's happening? I attached my code below

thanks!

Temperature.swift
class Temperature
{
    var celsius: Float = 0.0
    var fahrenheit: Float 
    {

    get
    {
        return (celsius * 1.8) + 32.0
        }
     set { 
            celsius = (fahrenheit - 32) / 1.8
          }
    }    
}

1 Answer

class Temperature {
    var celsius: Float = 0.0
    var fahrenheit: Float {
       get {
             return (celsius * 1.8) + 32.0
           }
       set {
           celsius = (newValue - 32) / 1.8
          }
    }    
}