1	# Oil Keywords
2
3	#### = to pretty print
4	= 1 + 2 * 3
5	## STDOUT:
6	(Int) 7
7	## END
8
9	#### _ to ignore return value
10	_ 1 + 2 * 3
11
12	var strs = %(a b)
13	_ len(strs)
14	_ append(strs, 'c')
15	write -- @strs
16
17	# integer types too
18	const L = [5, 6]
19	_ append(L, 7)
20	write -- @L
21
22	write __
23
24	_ pop(L) # could also be pop :L
25	write -- @L
26
27	## STDOUT:
28	a
29	b
30	c
31	5
32	6
33	7
34	__
35	5
36	6
37	## END