<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_plot_panel(self):
 """Returns current plot_panel"""


        plot_type_no = self.chart_type_book.GetSelection()
        return self.chart_type_book.GetPage(plot_type_no)