This code creates and executes a simple countdown timer in...

This code creates and executes a simple countdown timer in Lua. Here's what the code does step by step:

1. Initialize Timer: The timer variable is initialized with a value of 20.

   local timer = 20
   

2. Define the RunTimer Function: A function RunTimer is defined:

   • It uses a while loop to continuously check if timer is greater than 0.
   • Inside the loop:
     • The wait(1) function pauses execution for 1 second (commonly used in game frameworks like Roblox, though wait() itself is not part of standard Lua).
     • The timer variable is decreased by 1 (timer = timer - 1).
   • When timer reaches 0, the loop ends.

   function RunTimer()
        while timer > 0 do
             wait(1); timer = timer-1
        end 
        print("The time is over!")
        timer = 20
   end
   

3. Print a Message Once Done: After the loop finishes, the message "The time is over!" is printed to the console (print("The time is over!")).

4. Reset the Timer: The timer variable is reset back to 20 after the message.

5. Call the Function: The RunTimer function is called, starting the countdown process.

   RunTimer()
   

Summary of Behavior:

• The code creates a countdown timer that starts at 20 and decrements by 1 each second.
• When the countdown reaches 0, it prints "The time is over!" and resets the timer to 20.
• The function runs once because it is only called once with RunTimer().