Start by opening IDLE. It should look like this picture.
Version number (Top left) should be 3 something.
There is an active interpreter cursor underneath where it says Type "help"
Type
print("Hello World")
Then press enter on your keyboard
Notice how print started with lower case p. It has to have brackets and speech marks around the text to work. Try printing your own text message.
Screenshot
Try some maths commands
Remember
/ is divide
* is multiply
Enter on the keyboard runs the command
Screenshot
You can skip this part if you can easily read the text.
To change the size and font of the code
Options
Configure IDLE
To write programs you can save and edit
File
New File
A new untitled window appears for you to write code.
You will need to save this file before you can run it.
This file has been saved as multiplyby100.py and in now ready to be tested by running it.
NOTE the #to write notes on the code
If you see an Asterix * in front of the file name it needs to be saved before it can be run
Create a new file
Copy the code into the file
Save the code as sub1
Predict what you think it will do
Run the code to see if you were right
Screenshot
userNumber=0
total=0
userNumber = int(input("Type a whole number "))
total = userNumber - 100
print(userNumber, " - ", 100, " = " ,total)
See if you can change the code to + add a number
Screenshot