{ 1, 2 } { 1, 2 } { 1, 2 } {1,2} { 1,2 } { something 1,2, 4,5,6, 3,4,5 } { a 1,2,3, 4,5,6 1,2,3 } { b 1,2,3, 4,5,6 1,2,3, 1,2,3 } { 1,2,3 } { c 1,2,3, } hello 1,2,3,4, 1,2,3,4,4,5 x 1, 2, 3, 4, 5, 6 hello 1,2,3, world 4,5,6, 5,6,7,8 hello 1,2,3, world 4,5,6, 5,6,7,8, 9,9 { hello 1,2, 3,4, 5, 6 } x = { hello 1,2,3,4, 5,6,7 1,2,3,4 } if hello 1,2,3, world, world print "hello" if hello 1,2,3, world, world print "hello" -- a( one, two, three ) b( one, two, three ) c(one, two, three, four) -- nil