Supported list types
Number list
This function returns a number list with all the numbers in argument l which are not in argument m. Duplicated numbers in l may appear in the output.
If you want to avoid repetition, use the function distinct().
except(number list l, number list m) #Output: Number list
Text list
except(string list l, string list m) #Output: Text list
Issue list
This function returns an issue list with all issues in argument l which are not in argument m. Duplicated issues in l may appear in output
except(issue list l, issue list m) #Output: Issue list