What is the output of the following code?

class Number: def __init__(self): self.__num = 0 def setnum(self,x): self.__num=x def getnum(self): return self.__num ma = Number() ma.setnum(20) print(ma.getnum() + len(ma.__dict__))

	A.	49
	B.	21
	C.	51
	D.	50