Sign in Create Learn

The Change Value block

Update a variable · in code: Changing a Variable

What it does

Gives a value that already exists a new value.

Use it for

Adding points to a score, counting things, updating a total inside a loop.

What to fill in

Which value to change: The name of a value made earlier.
New value: What it becomes. It can use its own old value, like score + 10.

Try it

Open it in the editor, press Run, then change it and run it again.

ExampleKeep score Try it

Start
Create score = 0
Change score to score + 10
Change score to score + 5
Tell "Score: " + score
End

It showsScore: 15

1score = 02score = score + 103score = score + 54print("Score: " + str(score))

Tips

score + 10 means: take the old score, add 10, and keep that as the new score.

See it in use

Examples with the Change Value block

Challenges that need it

Learn it in lesson 3Ask questions and remember values

Goes with