Bite 123. Find the user with most friends

In this Bite you are presented with a users dict of keys=id's and values=usernames and a friendships list of user ID tuples expressing a friendship between two users.

Loop through friendships and find out which user has the most friends. Return a tuple of friend name and his or her friends. Have fun!

20 out of 21 users completed this Bite.
Will you be Pythonista #21 to crack this Bite?
Average Bite difficulty 1-10 rating: 6.0
» Up for a challenge? 💪

Github login button
We use Python 3.7