Question: Include a method named make _ purchase in your class that takes the quantity of items to be purchased as an argument and updates the

Include a method named make_purchase in your class that takes the quantity of items to be
purchased as an argument and updates the amount attribute by deducting the total cost of
the items. The regular prices for the products are as follows: shirt ($50), wristwatch ($120),
textbook ($80), history book ($50), and memory card ($140).

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