Create: .gitignore, .gitignore, amplicode-jpa.xml, checkstyle-idea.xml, misc.xml, modules.xml, WebToolsSettings.xml, workspace.xml, homework.iml, Task1.class, Task2.class, Task0_47.java, Task1_2.java, Task2_7.java, Task3_8.java

create discret_math.md

Fix CI: pin pytest versions

final_vers

Add architecture documentation

update README

Add concise Russian README

Add concise Russian README

Add pytest tests and CI workflow

Initial project structure and CLI implementation

delete dev/data/n

upload files

create dev/data/n

create dev/solution.py