/***
##BAR PLOT [+10]
***/
/***
Create a bar plot of heart attack
***/
bar plot means bar chart
/***
Add a legend
_hint: legend( label(1 "xyz") label(2 "xyz") )_
***/
Add a clearly-worded legend. for example:
legend( label(1 "Heart Attack") label(2 "Diabetes") )