<｜begin▁of▁sentence｜>### Instruction:
As a Media Buyer purchasing advertising space for a client's marketing campaign, you're tasked with updating the visual representation of a previously drawn CairoPlot object named 'bar_plot.' How can you utilize the 'redraw' method within the CairoPlot API to achieve this?
### Response:
import CairoPlot

# Assuming that there is a CairoPlot object called 'bar_plot'
# and it has already been drawn for the first time...
bar_plot.redraw()
<|EOT|>
