#!/bin/sh
sudo apt update
sudo apt list --upgradable

printf 'Would you like to upgrade (y/n)? '
read answer

if [ "$answer" != "${answer#[Yy]}" ] ;then 
    sudo apt upgrade -y
    printf 'Would you like to autoremove (y/n)? '
    read answer1

    if [ "$answer1" != "${answer1#[Yy]}" ] ;then 
        sudo apt autoremove -y
    else
        echo Ok bye
    fi
else
    echo Ok bye
fi