Washing Machine Class

An abstract base class Appliance is provided with two pure virtual methods.

Create a class WashingMachine that inherits from Appliance and implements:
- start(): prints "Washing machine started"
- powerUsage(): returns 500

Do NOT write a main function.

Expected Output:

Washing machine started↵
500↵

= newline. The output ends with a newline — print one after the last line.

Hints2 available

Topics:

Abstract Classes

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