Example of using Session.Remove

Session Contents before adding a value:
List of 0 items in Session contents collection:
    Session Contents after adding a value:
    List of 1 items in Session contents collection:
    1. String named "newVar" : newVarVal
    Session Contents after modifying a value:
    List of 1 items in Session contents collection:
    1. String named "newVar" : modifiedNewVarVal
    Session Contents after removing a value:
    List of 0 items in Session contents collection: