Python readmes updated

Author: FeodorFitsner

sdk/python/CONTRIBUTING.md

@@ -54,15 +54,27 @@ pdm install
 
 ## Check the installation
 
-Run "counter" example:
+Create `hello.py` file with a minimal Flet program:
+
+```python
+import flet
+from flet import Page, Text
+
+def main(page: Page):
+    page.add(Text("Hello, world!"))
+
+flet.app(target=main)
+```
+
+and then run it:
 
 ```
-python3 examples/counter.py
+python3 hello.py
 ```
 
-During the first run Flet Server will be downloaded from GitHub releases to `$HOME/.flet/bin` directory and started from there. The version of Flet Server to download is taken from `FLET_VERSION` variable in `appveyor.yml` in the root of repository.
+During the first run Flet Server (`fletd`) and Flet Client (`flet`) executables will be downloaded from [Flet GitHub releases](https://github.com/flet-dev/flet/releases) to a user temp directory and then started from there. The version of release to download from is taken from `flet/version.py` file.
 
-You should see a new browser window opened with "counter" web app running.
+You should see a new native OS window opened with "Hello, world!" in it.
 
 ## Running tests
 

sdk/python/README.md

@@ -1,10 +1,10 @@
-# Flet - quickly build interactive apps for Web, Desktop and Mobile in Python
+# Flet - quickly build interactive apps for web, desktop and mobile in Python
 
-[Flet](https://flet.dev) is a rich User Interface (UI) framework to quickly build interactive Web, Desktop and Mobile apps in Python without prior knowledge of web technologies like HTTP, HTML, CSS or JavaSscript. You build UI with [controls](https://flet.dev/docs/reference/controls) based on [Flutter](https://flutter.dev/) to ensure your programs look cool and professional.
+[Flet](https://flet.dev) is a rich User Interface (UI) framework to quickly build interactive web, desktop and mobile apps in Python without prior knowledge of web technologies like HTTP, HTML, CSS or JavaSscript. You build UI with [controls](https://flet.dev/docs/reference/controls) based on [Flutter](https://flutter.dev/) widgets to ensure your programs look cool and professional.
 
 ## Requirements
 
-* Python 3.7 or above on Windows, Linux or macOS
+* Python 3.8 or above on Windows, Linux or macOS
 
 ## Installation
 
@@ -16,17 +16,19 @@ pip install flet
 
 ```python
 import flet
-from flet import Text
+from flet import Page, Text
 
-p = flet.page()
-p.add(Text("Hello, world!"))
+def main(page: Page):
+    page.add(Text("Hello, world!"))
+
+flet.app(target=main)
 ```
 
-Run the sample above and a new browser window will pop up:
+Run the sample above and the app will be started in a native OS window:
 
-![Sample app in a browser](https://flet.dev/img/docs/quickstart-hello-world.png "Sample app in a browser")
+![Sample app in a browser](https://flet.dev//img/docs/getting-started/flet-counter-macos.png "Sample app in a native window")
 
-Continue with [Python tutorial](https://flet.dev/docs/tutorials/python) demonstrating how to build a simple To-Do web app and share it on the internet.
+Continue with [Python guide](https://flet.dev/docs/getting-started/python) to learn how to make a real app.
 
 Browse for more [Flet examples](https://github.com/flet-dev/examples/tree/main/python).
 

sdk/python/pyproject.toml

@@ -11,7 +11,7 @@ dependencies = [
     "beartype>=0.9.1",
     'typing_extensions; python_version < "3.8"'
 ]
-requires-python = ">=3.7"
+requires-python = ">=3.8"
 license = { text = "MIT" }
 classifiers = [
     "Programming Language :: Python :: 3",