[HackerRank][Python3] Max Min

Problem :

https://www.hackerrank.com/challenges/angry-children/problem

My Solution :

#!/usr/bin/env python3


def maxMin(k, arr):
    arr.sort()
    m = 10**9
    for i in range(len(arr)-k+1):
        m = min(m, arr[i+k-1] - arr[i])
    return m


n, k = int(input()), int(input())
arr = []
for _ in range(n):
    arr.append(int(input()))
result = maxMin(k, arr)
print(result)