main() {
for(int i : [1, 2, 3]) {
print(i);
}
}

main[StringToken]([BeginToken])[SimpleToken] {[BeginToken]
for[KeywordToken]([BeginToken]int[StringToken] i[StringToken] :[SimpleToken] [[BeginToken]1[StringToken],[SimpleToken] 2[StringToken],[SimpleToken] 3[StringToken]][SimpleToken])[SimpleToken] {[BeginToken]
print[StringToken]([BeginToken]i[StringToken])[SimpleToken];[SimpleToken]
}[SimpleToken]
}[SimpleToken][SimpleToken]
