PyPlot is an interface of Python's …………… library.

1. seaborn
2. plotly
3. ggplot
4. matplotlib

For 2D plotting using a Python library, which library interface is often used ?

1. seaborn
2. plotly
3. matplotlib
4. matplotlib.pyplot

Which of the following is not a valid plotting function of Pyplot ?

1. plot()
2. bar()
3. line()
4. pie()

Which of the following plotting functions does not plot multiple data series ?

1. plot()
2. bar()
3. pie()
4. barh()