let dic = ["apple" : "苹果","bag" : "包"]

for (key,value) in dic

{

print("键值对==\(key) : \(value)")

}

print("------------->")

print(dic.keys)

print("------------->")

print(dic.values)

for key in dic.keys

{

print("key==\(key)")

}

for value in dic.values

{

print("value==\(value)")

}