<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def show_curr_model_view(self, model, select):
 """A currency has been added, or an existing curreny has been selected, and needs to be shown on the right side of the dialog"""

        v = self.view.add_currency_view(select)
        self.curreny = CurrencyCtrl(model, v)
        return