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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 delete_color_scheme_stack(self, scheme_name):
 """Remove stack widget by 'scheme_name'."""

        self.set_scheme(scheme_name)
        widget = self.stack.currentWidget()
        self.stack.removeWidget(widget)
        index = self.order.index(scheme_name)
        self.order.pop(index)