Change your method:

def ask_number(self,question,low,high):    
        response=None
        while response not in range(low,high):
            response=int(input(question))


change  self to class:
This way you can call the method directly from Hand.

@classmethod
def ask_number(class,question,low,high):    
        response=None
        while response not in range(low,high):
            response=int(input(question))




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