On Sun, 24 Oct 2021, Allin Cottrell wrote:
To be clear, it's not a problem if the [right-hand side of a
statement including assignment to a list on the left] is a
single-member list, only if it's a series as such.
Sorry, not clear enough: I meant that it's a problem only if the
series on the right is anonymous, generated on the fly, not a member
of the datatset.
Nothing wrong with creating a list consisting of a single named
series.
Allin