Album in Albumns

You have an object with years 2015-2020 as keys and some albums released for each year as key values. Write a function that takes an album and returns the year in which it was released.

Examples

releaseYear("Ode to Joy") ➞ 2019

releaseYear("Honeymoon") ➞ 2015

releaseYear("Fake_album") ➞ "Unknown"

Note

• Albums object is made for you.
• If the album isn't in the object, return the string "Unknown".