Python 3.6

(The Stock class) Design a class named Stock to represent a company's stock that contains: A private string data field named symbol for the stock's symbol. A private string data field named name for the stock's name. A private float data field named previousClosingPrice that stores the stock price for the previous day. A private float data field named currentPrice that stores the stock price for the current time. A constructor that creates a stock with the specified symbol, name, previous price, and current price. A get method for returning the stock name. A get method for returning the stock symbol. Get and set methods for getting/setting the stock's previous price. Get and set methods for getting/setting the stock's current price. A method named getChangePercent() that returns the percentage changed from previousClosingPrice to currentPrice. Draw the UML diagram for the class, and then implement the class. Write a test program that creates a Stock object with the stock symbol INTC, the name Intel Corporation, the previous closing price of 20.5, and the new current price of 20.35, and display the price-change percentage. UML Diagram: Stock -symbol: str The symbol of this stock -name: str The name of this stock. - previousClosingPrice: float The previous closing price of this stock. -currentPrice: float The current price of this stock. Stock (symbol: str, name: str) Constructs a stock with a specified symbol and a name. getChange Percent(): float Returns the percentage of change of this stock. getSymbol(): str Returns the symbol of this stock getName(): str Returns the name of this stock. getPrevious ClosingPrice(): float Returns the previous closing price of this stock. set PreviousClosing Price (price: float): None Sets a new previous closing price of this stock. getCurrentPrice(): float Returns the current price of this stock. getCurrentPrice(price: float): None Sets a new current price of this stock