void main() { var colors = new Map(); colors['blue'] = true; colors['red'] = false; colors['green'] = false; colors['yellow'] = true; colors[1] = "omg";void main() { var colors = new Map(); colors['blue'] = true; colors['red'] = false; colors['green'] = false; colors['yellow'] = true; colors[1] = "omg"; print(" ---- Keys ---- "); for(var key in colors.keys){ print(key); } print(" ---- Values ---- "); for(var value in colors.values){ print(value); } } print(" ---- Keys ---- "); for(var key in colors.keys){ print(key); } print(" ---- Values ---- "); for(var value in colors.values){ print(value); } }