09 - Set symmetric_difference() Operation.py

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#       Information
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# Direct Link: https://www.hackerrank.com/challenges/py-set-symmetric-difference-operation/problem
# Difficulty: Easy
# Max Score: 10
# Language: Python

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#         Solution
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_ = int(input())
SET_N = set(map(int, input().split()))

_ = int(input())
SET_B = set(map(int, input().split()))

print(len(SET_N.symmetric_difference(SET_B)))