Python 有一组可以在字典上使用的内置方法。
Method | Description |
---|---|
clear() | Removes all the elements from the dictionary |
copy() | Returns a copy of the dictionary |
fromkeys() | Returns a dictionary with the specified keys and value |
get() | Returns the value of the specified key |
items() | Returns a list containing a tuple for each key value pair |
keys() | Returns a list containing the dictionary's keys |
pop() | Removes the element with the specified key |
popitem() | Removes the last inserted key-value pair |
setdefault() | Returns the value of the specified key. If the key does not exist: insert the key, with the specified value |
update() | Updates the dictionary with the specified key-value pairs |
values() | Returns a list of all the values in the dictionary |
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