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# Launching Applications
You can launch applications from your CLI program with `typer.launch()`.
It will launch the appropriate application depending on the URL or file type you pass it:
{* docs_src/launch/tutorial001.py hl[6] *}
Check it:
<div class="termy">
```console
$ python main.py
Opening Typer docs
// Opens browser with Typer's docs
```
</div>
## Locating a file
You can also make the operating system open the file browser indicating where a file is located with `locate=True`:
{* docs_src/launch/tutorial002.py hl[17] *}
/// tip
The rest of the code in this example is just making sure the app directory exists and creating the config file.
But the most important part is the `typer.launch(config_file_str, locate=True)` with the argument `locate=True`.
///
Check it:
<div class="termy">
```console
$ python main.py
Opening config directory
// Opens a file browser indicating where the config file is located
```
</div>
|
