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Mathematica > Core Language > List Manipulation > Rearranging & Restructuring Lists >

Built-in Mathematica Symbol

Sequence

Sequence[expr₁, expr₂, ...]
represents a sequence of arguments to be spliced automatically into any function.

Sequence objects will automatically be flattened out in all functions except those with attribute SequenceHold or HoldAllComplete.

Sequence is automatically spliced in:

Replace with a sequence that is automatically spliced in:

Completely flatten out all lists in the argument to a function:

A sequence of arguments matched by __ is treated as a Sequence object:

## represents sequences of arguments by Sequence objects:

A sequence with one argument acts like Identity:

Most Mathematica functions automatically splice in Sequence objects:

Assignment and replacement functions have the attribute SequenceHold: