Practice>Python>Sets>Set .difference() Operation

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Set .difference() Operation

Problem link : https://www.hackerrank.com/challenges/py-set-difference-operation/problem?utm_campaign=challenge-recommendation&utm_medium=email&utm_source=24-hour-campaign&h_r=next-challenge&h_v=zen

Difficulty : Easy

Tip

• Just use difference() method, it is all you should know to solve this problem

Solution

input() s1 = set(input().split(' ')) input() s2 = set(input().split(' ')) r = s1.difference(s2) print(len(r))