Returns a new list with one or more parameters a appended to the end of list l.
Does not expand any contents of a. If a is a list (for example) then the last entry in the returned
list l will be a list.
To extend a list with another list see the function list.extend.
Returns:
lret - the list created by appending to the input list.
Arguments:
l - the input list.
a - the values appended to l.
:…:\(.\)
9.1.13