Python dictionary contains the following built-in method:
| No. | Functions and Description |
|---|---|
| 1 | dict.clear () All elements in the deleted dictionary |
| 2 | dict.copy () Returns a shallow copy of the dictionary |
| 3 | dict.fromkeys (seq [, val]) creates a new dictionary, the sequence elements do seq dictionary key, val a dictionary initial value corresponding to all keys |
| 4 | dict.get (key, default = None) Returns the specified key, if the return value is not in the dictionary default value |
| 5 | dict.has_key (key) if the key is in the dictionary dict returns true, otherwise returns false |
| 6 | dict.items () to return may traverse the list (key, value) tuples array |
| 7 | dict.keys () to return a list of all the keys dictionary |
| 8 | dict.setdefault (key, default = None) and get () is similar, but if the key does not exist in the dictionary, and will add value to default keys |
| 9 | dict.update (dict2) to dict2 dictionary of key / value pairs in the update to the dict |
| 10 | dict.values () all values in the list returned dictionary |
| 11 | pop (key [, default]) value of a given key to delete the dictionary corresponding to the key, the return value is deleted. key value must be given. Otherwise, return default values. |
| 12 | popitem () to go back and delete the last pair of keys and values in the dictionary. |