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Java Arrays | Set 1
School Accuracy: 47.09% Submissions: 395 Points: 0

For a given array of price of items,you have to calculate the average of all prices upto 2 decimal places.
Note: Sum is printed automatically, you only need to calculate and return the average

Example 1:

Input:
5
1 2 3 4 5
Output:
15 3.00
Explanation:
Sum of the array is 15, hence
average is 15/5=3.00.


Example 2:

Input:
9
2 55 85 656 52 554 545 5 2
Output:
1956 217.33
Explanation:
Sum of the array is 1956, hence
average is 1956/9= 217.33.


You don't need to read input or print anything. Your task is to complete the function average() which takes the array A[] and  its size N as inputs and returns the average of all the items as a String.

Expected Time Complexity: O(N)
Expected Auxiliary Space: O(1)

Constraints:
1<=N<=100
1<=Pi<=1000