print(m.has_key("blue"))
print(not m.has_key("green"))
print(not m.has_key("vert"))
- print(m.join(", "))
+ print(m.values.join(", "))
print("* remove:")
print(m.count("rose") == 1)
m.remove_at("blue")
print(m.length == 5)
print(m.count("bleu") == 0)
- print(m.join(", "))
+ print(m.values.join(", "))
m.clear
print(m.is_empty)
end