added lesson4 task1 source
Added ykurenkov branch and updated main.rb file
Added simple task for students
Fixed content in main.rb file
atrofymenko comment
added .idea to ignored entries
atrofymenko new comment
Deleted .gitignore file
Merge branch 'master' of github.com:romikoops/git_practice_public
Merged files
updated Readme.txt file in master branch
Changed readme.txt file
updated readme file
added sign to main.rb
delete main.rb in local branch
add main.rb in local branch
merge 2