Please explain on your words this code. Assume you would explain EDA. Be very detailed.For categorical columns with missing values, we assign a random category to each missing entry. This method helps to maintain the diversity of categories

and prevents the introduction of bias from a specific imputation strategy.for col in categorical$\_$columns:num$\_$missing $=$ missing.sum$()$ random$\_$sample $=$ listings$[$col$].$dropna$().$sample$($num$\_$missing, replace$=$True, random$\_$state$=1)$ listings.loc$[$missing$,$ col$]=$ random$\_$sample