The command used to give a heading to a graph is …………… .

1. plt.show()
2. plt.plot()
3. plt.xlabel()
4. plt.title()

Which function would you use to set the limits for x-axis of the plot ?

1. limits()
2. xlimits()
3. xlim()
4. lim()

Which argument must be set with plotting functions for legend() to display the legends ?

1. data
2. label
3. name
4. sequence

Which function is used to create a histogram ?

1. histo()
2. histogram()
3. hist()
4. histtype