4. (10 points) Special methods and syntax sugar. Check whether or not a number is prime using the in operator. A prime number is a natural number greater than 1 and is divisible only by 1 and itself. (a) (2 points) Complete the definition of _contains_._ in class PrimeNumber. Hint: Use the helper function isprime. (b) (2 points) Now, suppose you change the method name from _._contains _. to contains, as follows. class PrimeNumber: defcontains(self,x): pass Can you still make an object from class PrimeNumber? Answer Yes or No. (c) (2 points) After changing _.contains _ to contains, what is the output of the following statement: print(issubclass (PrimeNumber, Container))? Answer True or False. (d) (2 points) Now, suppose class PrimeNumber inherits from the abstract base class Container, as follows. class PrimeNumber(Container): def contains (self, x) : pass Page 7 of 12 CONT'D... Introduction to Object-oriented Analysis and Design Fall 2022 Can you still make an object from class PrimeNumber? Answer Yes or No. What is the output of the following statement: print(issubclass(PrimeNumber, Container)) now? Answer True or False