import threading
# Imports the module needed for this code.

print("Start waiting!")
# Prints a message saying it's started waiting.

def my_function():
# Defines a function called "my_function" This function can be called at any time by writing "my_function()".
# A function is a piece of code you can create once, and then refer back to later. It's useful if you use the same code over and over again.
# Function names should always be lowercase, with underscores as spaces.

    print("I just waited 5 seconds!")
    # Prints the message saying it's waited the 5 seconds.

timer = threading.Timer(5, my_function)
# Creates a variable to hold the timer.
# In the above line, the 5 is how many seconds the timer should run for.
# The "my_function" is the function (see above) to run after the 5 seconds (or however long you set the seconds to).

timer.start()
# Starts the countdown using the information from line 11. If you changed the variable name, you need to change it here too.