13.5 The dictionary type

delete()
The delete() method deletes any element with string key from the dictionary.

hasKey()
The hasKey() method returns a boolean indicating whether the key exists in the dictionary.

items()
The items() method returns a list of the [key,value] pairs in a dictionary.

keys()
The keys() method returns a list of the keys defined in a dictionary.

len()
The len() method returns the number of entries in a dictionary.

values()
The values() method returns a list of the values in a dictionary.