In Python

7.2 (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 |Get and set methods for getting/setting the stock's previous price |A method named getChangePercentO that returns the percentage changed A get method for returning the stock symbol Get and set methods for getting/setting the stock's current price from previousClosingPrice to currentPrice