NAME
ListRemoveAt — From a list, remove element(s) starting at a given index.
SYNOPSIS
ListRemoveAt ListVariable Index ?Count?
DESCRIPTION
Return Value
Version of the list with element at target index removed.
Arguments
ListVariableList to find and remove elements from.
IndexWhere element to be removed is.
CountOptional. How many elements to remove. Defaults to 1.

For information regarding exceptions / errors, see here.
EXAMPLES 
% set MyList [list a b c]
a b c
% ListRemove $MyList 2
a b
% ListRemove {1 2 3} 0 2
3
SEE ALSO
FindAndRemove, lreplace
KEYWORDS
list