Simple Library using python

OUTPUT

1.display books 2.borrow books 3.return books 4.exit

enter your choice :1 available books c c++ java python javascript html css php

 1.display books
 2.borrow books
 3.return books
 4.exit

enter your choice :2 enter book name to borrow :java get your books now

 1.display books
 2.borrow books
 3.return books
 4.exit

enter your choice :2 enter book name to borrow :you book not available

 1.display books
 2.borrow books
 3.return books
 4.exit

enter your choice :1 available books c c++ python javascript html css php

 1.display books
 2.borrow books
 3.return books
 4.exit

enter your choice :3 enter book name to return :java you have returned the book

 1.display books
 2.borrow books
 3.return books
 4.exit

enter your choice :3 enter book name to return :you you have returned the book

 1.display books
 2.borrow books
 3.return books
 4.exit

enter your choice :1 available books c c++ python javascript html css php java you

 1.display books
 2.borrow books
 3.return books
 4.exit

enter your choice :4 thank you come again

Process finished with exit code 0