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4. (10 points) Special methods and syntax sugar. Check whether or not a number is prine using the in operator. A prime number is a natural number greater than 1 and is divisible caly by 1 and itself. (a) (2 points) Complete the definition of _costains... in class Primelluaber. Hint: Use the helper function 1sprine. (b) (2 points) Now, suppose you change the method name froen _contains .. to containa, as follows. Can you still make an object froen class PrineNurber? Answer Yes or No. (c) (2 points) After changing _ccontains. to costains, what is the output of the following statement: print(1sabbc1ass(PrimeNunber, Container))? Answer True oe False. (d) (2 points) Now, suppose class PrineNunber inherits from the abstract base class Container, as follows. olanPaineNureluea[Chataiaer]defcintainasel=x=k.pruatis