Question $2--$ Cleaning the data $(5$ marks$)$ In this dataset there are two types of maps, escort and control. On control maps, the teams try to control an objective until the meter reaches $100.$ On escort maps, the attacker tries to escort a payload to the end of the map, while the defender tries to stop it$.$ Control maps can be found in the dataset by rows where the control$\_$perecent is not $0$ for at least one team. That is$,$ control$\_$perecent will be Nan or $0$ for both teams when the map is not a control map. $2$a$)(1$ marks$)$ Create a variable for map type called map$\_$type, which has two possible values "control" and "escort". $2$b$)(2$ marks$)$ For rows which correspond to control maps, set the time$\_$banked and payload distance values to NaN. $2$c$)(2$ marks$)$ Ensure that round$\_$start$\_$time and round$\_$end$\_$time time variables are in the date$\_$time format $($print out the type$)$ and create a variable called year which contains the year the match took place