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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def addExample(self,example):
        '''Appends one Example to examples
        '''
        if isinstance(example, Example):
            self.examples.append(example)
        else:
            raise (ExampleError,
                   'example Type should be Example, not %s' % type(example)
                   )