4. Get and set variables
Number of APIs: 2
- 
save book id GET https://postman-library-api.glitch.me/books 
- 
get book from id variable GET {{baseUrl}}/books/{{id}} 
Number of APIs: 2
save book id GET https://postman-library-api.glitch.me/books
get book from id variable GET {{baseUrl}}/books/{{id}}