How to draw a discounted statistical chart of the maximum and minimum temperature in a week?

The method of discounting the statistical pictures of the highest and lowest temperatures in a week is:

1. Use the data on the vertical axis to represent the temperature in℃, each grid represents 5℃, and use the data on the horizontal axis to represent the days from Monday to Sunday.

2. Draw a line in the diagram to complete the statistical diagram of the maximum and minimum temperature changes this week; Complete the statistical chart of the highest and lowest temperatures.

3. Use the composite broken-line statistical chart to indicate the highest and lowest temperatures with lines of different colors (or solid lines and dotted lines).