[Programmers] 부분 문자열 이어 붙여 문자열 만들기

https://school.programmers.co.kr/learn/courses/30/lessons/181911?language=python3 

프로그래머스

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Python

def solution(my_strings, parts):
    answer = ""
    for i, (s, e) in enumerate(parts):
        answer += my_strings[i][s:e+1]
    return answer

Java

import java.util.*;

class Solution {
    public String solution(String[] my_strings, int[][] parts) {
        String answer = "";

        for(int i = 0; i < parts.length; i ++){
            answer += my_strings[i].substring(parts[i][0], parts[i][1] + 1);
        }

        return answer;
    }
}