Give the definition of an abstract class named Currency that stores a currency amount (as an integer value). Include in the class an __init__ method and an abstract __str__ method. Define three subclasses of the Currency class named USCurrency (dollars), EuroCurrency (euros), and the ChineseCurrency (yuan). Implement the __str__ method of each so that the proper currency symbol is displayed. The Unicode string for displaying Euro and Chinese currency symbols are '\u20AC' and '\u5143, respectively.

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The Answer of Give the definition of an abstract class named Currency that stores a currency amount (as an integer value). Include in the class an __init__ method and an abstract __str__ method. Define three subclasses of the Currency class named USCurrency (dollars), EuroCurrency (euros), and the ChineseCurrency (yuan). Implement the __str__ method of each so that the proper currency symbol is displayed. The Unicode string for displaying Euro and Chinese currency symbols are '\u20AC' and '\u5143, respectively.

Give the Definition of an Abstract Class Named Currency That