text: class A:
      def __init__(self,**kwargs):
          self.a = kwargs['a']
          self.b = kwargs['b']
          self.c = kwargs['c']
      def verify(self):
          print(self.a,self.b,self.c)
  
  args = {'a':10,'b':20,'c':30,'extra':'unexpected'}
  x = A(**args)
  x.verify()
  