1What is encapsulation? 2 why should an object's data attributes be hidden from code outside the class? 3.what is the difference between a class and an instance of a class? A.The following statement calls an object's method. What is the name of the method? What is the name of the variable that references the object? wallet.get dollar() Method : get dollar) Variable : wallet s Whent the init method executes, what does the self parameter reference? in a python class, how do you hide an attribute from code outside the class? 7.How do you call the str method