HackerRank - Sock Merchant

https://www.hackerrank.com/challenges/sock-merchant/problem

 

HackerRank - Sock Merchant

 

#!/bin/python3
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import math
import os
import random
import re
import sys
​
​
def sockMerchant(n, ar):
    socks = {}
    countPair = 0
    for color in ar:
        try:
            socks[color] += 1
        except:
            socks[color] = 1
    for color in socks:
        countPair += int(socks[color] / 2)
    return countPair
​
​
if __name__ == '__main__':
    fptr = open(os.environ['OUTPUT_PATH'], 'w')
​
    n = int(input())
​
    ar = list(map(int, input().rstrip().split()))
​
    result = sockMerchant(n, ar)
​
    fptr.write(str(result) + '\n')
​
    fptr.close()
​