Appending $4$ to $(1, 2, 3)$ produces $(1, 2, 3, 4)$

Example · Elementary

Terms

Term	This example	Why
append	✓
insert	✓	Appending $4$ inserts a single element at the end of the list. It is not prepending, which adds at the beginning, and it is not concatenation, which joins two lists.
prepend	✗
concatenate	✗

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