Write in C++ a polymorphic and recursive function: print(X, n, separator, leftBracket, rightBracket) where the parameters: X is a list of objects (arbitrary) and n the length of X, separator, leftBracket, rightBracket, have the following default values:

1. separator has the default value comma (i.e. ,)

2. leftBracket has the default value left brace (i.e. {)

3. rightBracket has the default value right brace (i.e. })