Скачать или смотреть How To Align Widgets Vertically Or Horizontally In Kivy Using BoxLayout-Python Kivy Tutorial

BoxLayout arranges children in a vertical or horizontal box. To position widgets above/below each other, use a vertical BoxLayout: layout = BoxLayout(orientation='vertical') btn1 = Button(text='Hello') btn2 = Button(text='World') layout.
https://kivy.org/doc/stable/api-kivy.uix.b....

Python Random module is an in-built module of Python which is used to generate random numbers. These are pseudo-random numbers means these are not truly random. This module can be used to perform random actions such as generating random numbers, print random a value for a list or string, etc.
https://docs.python.org/3/library/random.html

The Button is a Label with associated actions that are triggered when the button is pressed (or released after a click/touch). To configure the button, the same properties (padding, font_size, etc) and sizing system are used as for the Label class: button = Button(text='Hello world', font_size=14)
https://kivy.org/doc/stable/api-kivy.uix.b...)


Kivy is a free and open source Python framework for developing mobile apps and other multitouch application software with a natural user interface (NUI). It is distributed under the terms of the MIT License, and can run on Android, iOS, Linux, macOS, and Windows.
https://kivy.org/#home