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removing dangling doc page

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Peli de Halleux 2018-02-06 17:03:13 -08:00
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docs/types/var.md
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# @extends
### #letexample
A variable is created for the number returned by the [brightness](/reference/led/brightness) function.
```block
let b = led.brightness();
```
### #readvariableexample
For example, the following code shows the value stored in `counter` on the LED screen:
```blocks
let counter = 1;
basic.showNumber(counter);
```
### #updatevariableexample
The following code sets `counter` to 1 and then increments `counter` by 10:
```block
let counter = 1;
counter = counter + 10;
basic.showNumber(counter);
```
### #whyusevariablesexample
A counter is a great example:
```block
let counter = 0;
input.onButtonPressed(Button.A, () => {
counter = counter + 1;
basic.showNumber(counter);
});
```
### #localvariableexample
```block
// x does NOT exist here.
if (led.brightness() > 128) {
// x exists here
let x = 0;
}
```