Answered: HERE'S MY CODE import Foundation class…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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HERE'S MY CODE

import Foundation
class Item{
var name: String
var price: Double
init(_ name:String,_ price:Double){
self.name = name;
self.price = price;
}
}
class ItemFruit: Item{
var taste: String
init(_ name:String,_ price:Double,_ taste: String){
self.taste = taste
super.init(name,price);
}
}
print("Enter 5 records:")
var x = 0;

var pricesTaste:[String: Double] = ["sweet":0,"sour":0,"bitter":0];
while x < 5 {

if let input = readLine()
{
let fullNameArr = input.components(separatedBy: ", ")
if let price: Double = Double(fullNameArr[0]){
let itemObj = ItemFruit(fullNameArr[1],price,fullNameArr[2])
if let prevPrice:Double = pricesTaste[itemObj.taste] {
pricesTaste[itemObj.taste] = prevPrice + itemObj.price
}
}
}
x = x+1
}

if let priceBitter:Double = pricesTaste["bitter"] {
print("bitter fruit total price: \(priceBitter)")
}
if let priceSour:Double = pricesTaste["sour"] {
print("sour fruit total price: \(priceSour)")
}
if let priceSweet:Double = pricesTaste["sweet"] {
print("sweet fruit total price: \(priceSweet)")
}

HELP ME TO PRINT THE INVALID INPUT