update python_medium.py

update python_easy.py

update python_hard.py

update python_medium.py

update python_easy.py

update python_easy.py

Запрос на слияние 'task' (#2) из task в master

update dev/solution.cs

update README.md

create README.md

create demo/cursor_text_analysis_system_specificati.md

create demo/program-output.txt

delete program-output.txt

create program-output.txt

create demo/proof-of-use-student-1-specification.txt

create dev/solution.cs

update README.md

create README.md