Update: README.md

Create: README.md

Create: SecondTaskTest.java

Create: FactorialTest.java

Create: FirstTaskTest.java

Create: SecondTask.java

Create: FirstTask.java

Create: Factorial.java

Create: pom.xml

create Проверка-улучшение.html

create ocenka.md

update README.md

Запрос на слияние 'new_branch' (#1) из new_branch в master

update dev/solution.py

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delete demo/cash.md

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