Takes a sequence of strings and concatenates its elements, while adding the separator sep in between its elements. In case an empty sequence is given, returns the empty string.
0.095dev (2025-09-09 14:29:31 GIT hash 98644f8f651c2101a0730cfe31c5807993b7603b built by fridi@fzen)
sep in between its elements. In case an empty sequence is given, returns the empty string.