[Level 1] / [Python] 정수 제곱근 판별

https://school.programmers.co.kr/learn/courses/30/lessons/12934

프로그래머스

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def solution(n):
    answer=0

    m = n//2

    if n == 1:
        return 4
    
    for i in range(2,m):
        if pow(i,2) == n:
            answer = pow(i+1,2)

            return answer       
    return -1