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For a given array of price of items,you have to calculate the sum and average of all prices upto 2 decimal places.
First line of the input contains an integer T which denotes the number of test cases. Then T test cases follow. Each test case contains two lines.
The first line of each test case contains N denoting the number of items in the array.
The second line contains N space-separated integers - P1, P2, ..., PN denoting prices of items.
For each test case, print space separated sum and average of all the items resepctively.