Instructions
- The function would receive 3 arguments called a, b and cb (cb is the callback function)
- Add a and b and use the result as argument to the callback function
- Return the callback function cb result
Example - let us assume the callback function just prints the argument passed
Input - 3, 4, cb
Output - 7
Input - 5, 8, cb
Output - 13Run npm run test:file run_callback to test your code