case-insensitive treeview sorting

I am using below code to sort the treeview column but it is case sensitive i.e. if the column value is [a,c,A] the sorted value will be [a,c,A]but i want it as [a,A,c] and even the number sorting is …

Sort dataframe by multiple columns while ignoring case

I want to sort a dataframe by multiple columns like this: df.sort_values( by=[ ‘A’, ‘B’, ‘C’, ‘D’, ‘E’ ], inplace=True ) However i found out that python first sorts the uppercase values and then the …