#To square(root) or not to square(root)
Write a method, that will get an integer array as parameter and will process every number from this array.
Return a new array with processing every number of the input-array like this:
If the number has an integer square root, take this, otherwise square the number.
[4,3,9,7,2,1] -> [2,9,3,49,4,1]
The input array will always contain only positive numbers and will never be empty or null.
The input array should not be modified!
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