Maximum and Minimum Of Array Elements
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Given an array A[ ], find maximum and minimum elements from the array.

Input:
The first line of input contains an integer T, denoting the number of testcases. The description of T testcases follows. The first line of each testcase contains a single integer N denoting the size of array. The second line contains N space-separated integers A1, A2, ..., AN denoting the elements of the array.

Output:
For each testcase in a new line, print the maximum and minimum element in a single line with space in between.

Constraints:
1 ≤ T ≤ 30

1 ≤ N ≤ 100
0 ≤A[i]<100

Example:
Input:

2
4
5 4 2 1
1
8

Output:
5 1
8 8

Explanation:
Testcase 1:

Maximum element is: 5 
Minimum element is: 1

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