给定一个数组和分组数，写出随机分组算法

直接上代码：

java：

public class RandomGroup {

    public static void main(String[] args) {
        String[] team = {"a", "b", "c", "d","e","f", "g", "h", "i","j"};
 String[][] result = randomGroup(team, 3);
 for (String[] strings : result) {
 System.out.println(Arrays.toString(strings));
 }

 }
 public static String[][] randomGroup(String[] team,int num){
 int col = team.length/num;
 int ys = team.length%num;
 if(ys>0)col=col+1;
 int a=0,b=0;
 String[][] result=new String[num][col];
 while (team.length>0){
 int index = (int) (Math.random() * team.length);
 result[a][b] =team[index];
 team[index]=team[team.length-1];
 team = Arrays.copyOf(team, team.length-1);
 if(a<num-1){
 a++;
 }else if(b<col-1){
 a=0;
 b++;
 }
 }

 return result;
 }
}

python版：

import random

k = 3
arr = ["a", "b", "c", "d","e","f", "g", "h", "i","j"]
every_len = int(len(arr) / k)
print(every_len)
arr_flag = []
random_num = []
index = 0
for i in range(len(arr)):
 arr_flag.append(True)
 random_num.append(index)
 index += 1

random.shuffle(random_num)

result_arr = []
every_arr = []
index = 0
for i in range(0, len(arr) - 1, every_len):
 index += 1
 for j in range(every_len):
 every_arr.append(arr[random_num[i]])
 i += 1
 result_arr.append(every_arr)
 every_arr = []
 if index >= k:
 break

for i in range(len(random_num) - len(result_arr) * every_len):
 result_arr[i].append(arr[random_num[len(arr) - 1 - i]])

print(result_arr)


还有待优化的地方，欢迎指正！