Write a function friend_besties() that calculates the "besties" (i.e. degree-one friends) of a given individual in a social network. The function takes two arguments: individual, an individual in the social network, in the form of a string ID. bestie_dict, a dictionary of sets of friends of each individual in the social network (as per the first question of the Project) The function should return a sorted list, made up of all "degree-one" friends for the individual. In the instance that the individual does not have any friends in the social network, the function should return an empty list. Example function calls are: >>> friend_besties('kim', {'kim': {'sandy', 'alex', 'glenn'}, 'sandy': {'kim', 'alex'}, 'alex': {'kim', 'sandy'}, 'glenn': {'kim'}}) ['alex', 'glenn', 'sandy'] >>> friend_besties('ali', {'kim': {'sandy', 'alex', 'glenn'}, 'sandy': {'kim', 'alex'}, 'alex': {'kim', 'sandy'}, 'glenn': {'kim'}})

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Write a function friend_besties() that calculates the "besties" (i.e. degree-one friends) of a given individual in a social network. The function takes two arguments:

  • individual, an individual in the social network, in the form of a string ID.
  • bestie_dict, a dictionary of sets of friends of each individual in the social network (as per the first question of the Project)

The function should return a sorted list, made up of all "degree-one" friends for the individual. In the instance that the individual does not have any friends in the social network, the function should return an empty list.

Example function calls are:

>>> friend_besties('kim', {'kim': {'sandy', 'alex', 'glenn'}, 'sandy': {'kim', 'alex'}, 'alex': {'kim', 'sandy'}, 'glenn': {'kim'}})
['alex', 'glenn', 'sandy']
>>> friend_besties('ali', {'kim': {'sandy', 'alex', 'glenn'}, 'sandy': {'kim', 'alex'}, 'alex': {'kim', 'sandy'}, 'glenn': {'kim'}})
[]

 

Subject: Python Programming

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