print(m.has_key("blue"))
print(not m.has_key("green"))
print(not m.has_key("vert"))
print(m.values.join(", "))
print("* remove:")
print(m.has_key("blue"))
print(not m.has_key("green"))
print(not m.has_key("vert"))
print(m.values.join(", "))
print("* remove:")