Iteration
my %pairs = hello => 13, world => 31, '!' => 71;
for %pairs.kv -> $k, $v {
say "(k,v) = ($k, $v)";
}
# Stable order
for %pairs.sort(*.value)>>.kv -> ($k, $v) {
say "(k,v) = ($k, $v)";
}
{ say "$^a => $^b" } for %pairs.kv;
say "key = $_" for %pairs.keys;
say "value = $_" for %pairs.values;
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