-- Create a new map with four entries.
local capitals = {
     Greece  = "Athens",
     Sweden  = "Stockholm",
     Peru    = "Lima",
     Uruguay = "Monevideo"
}

-- Iterate through the map and print out the key/value pairs.
for k, v in capitals do print(k, v) end
print()

-- Iterate though the map and print out just the keys.
for capitals:keys() as k do print(k) end
print()

-- Iterate though the map and print out just the values.
for capitals:values() as v do print(v) end
print()