I want to make a if else statement where I want to make a message. If the input are letters (which it’s not supposed to) then I want to make a message saying that only numbers are allowed. I have this so far so what should I put in the if statement?

Answer:scratch, im in it (22550077) AND ALSO IF MEANS LIKE IF YOU SAY HI THEN IT SAYS HI OR IF YOU SAY START GAME THE GAME STARTS
Explanation: