ContentView.swift

import SwiftUI

struct ContentView: View {
    @State var numbers = [1, 2, 3, 4, 5, 6, 7, 8]

    var body: some View {
        Button {
            withAnimation {
                numbers.append(Int.random(in: 9..<99))
                numbers.sort()
            }
        } label: {
            Label("Add", systemImage: "plus")
        }
    
        List {
            ForEach(numbers, id: \.self) { n in
                HStack {
                    Text("\(n)")

                    Spacer()
                    
                    Button {
                        withAnimation {
                            if let idx = numbers.firstIndex(of: n) {
                                numbers.remove(at: idx)
                            }
                        }
                    } label: {
                        Label("Delete", systemImage: "trash")
                    }
                }
                .transition(.move(edge: .leading))
            }
        }
    }
}