Easy.
Hardware and software!
Did you ever try to use a computer with only mouse and monitor?
        
             
        
        
        
I would not because you never know there could be hackers and they could get your card account and spend your money. If they get your card number and you do turn up with less money there is really nothing you can do about it at that point. That's why I wouldn't trust my money to an online bank. 
                                                   Hope this helps.
                                          Sincerely, Hodctilana
        
                    
             
        
        
        
The 13th amendment (freed the slaves) for me because I am black
        
             
        
        
        
Answer:
control X
Explanation:
It cuts and copies to clipboard
 
        
             
        
        
        
Explanation:
the output of your code is 30