$**$Exercise $2**$

For each of the following, we recommend reading the documentation for help.

$-$ Use introspection $($or google$-$fu$)$ to find a way to obtain a list with

all of the column names in $`$unemp$\_$region$`.$

$-$ Using the $`$plot$`$ method, make a bar plot. What does it look like

now?

$-$ Use $`.$loc$`$ to select the the unemployment data for the

$`$NorthEast$`$ and $`$West$`$ for the years $1995,2005,2011,$ and $2015.$

$-$ Run the code $`$unemp$\_$region.dtypes$`$ below. What does it give you?

How does this compare with $`$unemp$.$dtype$`?$