class GenericStringValidator(object):
    ''' This is an interface for create strategies for validate data
    '''
    def check_string(self, string):
        pass

    def process_list(self, string_list):
        pass

class GenericStringValidator(object):
    ''' This is an interface for create strategies for validate data
    '''
    def check_string(self, string):
        pass

    def process_list(self, string_list):
        pass

This is an interface for create strategies for validate data