Which type of chart will the code produce?

You have the following Python code in an Apache Spark notebook.

Which type of chart will the code produce?
A . a stacked bar chart
B . a pie chart
C . a bar chart
D . an area chart

Answer: D

Explanation:

The matplotlib.pyplot.fill_between function fills the area between two horizontal curves.

The curves are defined by the points (x, y1) and (x, y2). This creates one or multiple polygons describing the filled area.

Reference: https://matplotlib.org/3.5.0/api/_as_gen/matplotlib.pyplot.fill_between.html