**Lab** - Define a class called *Dumbbell* with the following members: - `weight`, a private variable of type `double` - Accessors and mutators for weight - **Constructor** - Default constructor to initialize weight to -1 - Non-default constructor - **Destructor** - Print a message from the destructor and observe when it is actually printed - Write test code as follows: - Prompt the user to enter two values for the weight variable in both instances. - Create two instances of class *Dumbbell* using default and non-default constructors. - Print the information using the accessor function: - Dumbbell #1: 7.5 lbs - Dumbbell #2: 15.5 lbs

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