create: Coursework_chapter_3.ipynb

delete: Coursework_chapter_3.ipynb

create: Coursework_chapter_2.ipynb, Coursework_chapter_3.ipynb, Coursework_chapter_4.ipynb, Coursework_chapter_1.ipynb, Text_processing_Coursework_chapter_4.ipynb

update: README.md

update: README.md

update: README.md

update: README.md

create: Text_processing_Coursework_chapter_4.ipynb, Coursework_chapter_4.ipynb

update: README.md

create: Coursework_chapter_3.ipynb

create: Coursework_chapter_2.ipynb

update: README.md

update: README.md

create: Coursework_chapter_1.ipynb