Implementation
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Other implementations
[items1, items2].each{|ar| ar.each{|item| p item }}
for _, v := range items1 {
	fmt.Println(v)
}
for _, v := range items2 {
	fmt.Println(v)
}
for i in item1.chain(item2) {
    print!("{} ", i);
}
(map (lambda (x)
       (display x)
       (newline))
     (append items1 items2))
mapM_ print $ items1 ++ items2
for x in items1 + items2:
    print(x)
for i := 0 to items1.Count-1 do writeln(items1[i]);
for i := 0 to items2.Count-1 do writeln(items2[i]);
items1.chain(items2).each{|item| puts item}