Final answer:
The colour() function cannot be used for customization of charts in Python.
The correct answer is option b. colour().
Step-by-step explanation:
To customize the appearance of charts in Python, you can use the following functions:
- xlabel(): to label the x-axis of the chart
- title(): to set the title of the chart
- xticks(): to customize the x-axis ticks of the chart
In Python, the function colour() does not exist for customization of charts.
These functions allow you to modify different aspects of the chart to suit your needs.
You can also customize your bar plot further by changing the outline color for each bar to be blue using the argument edgecolor and specifying a color from the matplotlib color options previously discussed.
You can adjust the bar fill and edge colors of a bar plot using the arguments color and edgecolor.