Matplotlib is a very powerful data visualization library, which can be used to draw various types of charts, such as line charts, scatter charts, bar charts, pie charts and so on. Here are some tips for drawing with matplotlib:

1. Use colormap to customize the color mapping.

2. Use Legend to add a legend.

3. Use the axis to set the axis range and label.

4. Use the title to set the title of the chart.

5. Use xlabel and ylabel to set X-axis and Y-axis labels.

6. Use the grid to add grid lines.

7. use imshow to display images.

8. use savefig to save the chart.