Merge pull request #752 from gradio-app/Update-Docs

Update first launch commands to deliver the usage of ";" and app, pat…

demo/hello_world/run.py

@@ -7,4 +7,4 @@ def greet(name):
 
 iface = gr.Interface(fn=greet, inputs="text", outputs="text")
 if __name__ == "__main__":
-    iface.launch()
+    iface.launch();

demo/hello_world_2/run.py

@@ -11,4 +11,5 @@ iface = gr.Interface(
     outputs="text",
 )
 if __name__ == "__main__":
-    iface.launch()
+    app, path_to_local_server, share_url = iface.launch()
+

demo/hello_world_3/run.py

@@ -14,4 +14,5 @@ iface = gr.Interface(
     outputs=["text", "number"],
 )
 if __name__ == "__main__":
-    iface.launch()
+    app, path_to_local_server, share_url = iface.launch()
+

guides/getting_started.md

@@ -36,6 +36,11 @@ With these three arguments, we can quickly create interfaces and  `launch()`  th
 
 Let's say we want to customize the input text field - for example, we wanted it to be larger and have a text hint. If we use the actual input class for  `Textbox`  instead of using the string shortcut, we have access to much more customizability. To see a list of all the components we support and how you can customize them, check out the [Docs](https://gradio.app/docs).
 
+**Sidenote**: `launch()` method returns
+- FastAPI application 
+- Local URL
+- Public URL (if share=True)
+
 {{ code["hello_world_2"] }}
 {{ demos["hello_world_2"] }}