'''
Visualizing multiple variables with boxplots

Histograms are great ways of visualizing single variables. To visualize multiple 
variables, boxplots are useful, especially when one of the variables is 
categorical.

In this exercise, your job is to use a boxplot to compare the 'initial_cost' across 
the different values of the 'Borough' column. The pandas .boxplot() method is a 
quick way to do this, in which you have to specify the column and by parameters. 
Here, you want to visualize how 'initial_cost' varies by 'Borough'.

pandas and matplotlib.pyplot have been imported for you as pd and plt, respectively, 
and the DataFrame has been pre-loaded as df.

INSTRUCTIONS
100 XP
Using the .boxplot() method of df, create a boxplot of 'initial_cost' across the 
different values of 'Borough'.
Display the plot.
'''
