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开始学习

问题		答案
Removes all the elements from the dictionary 开始学习		. clear()
Returns a copy of the dictionary. 开始学习		. copy()
Returns a dictionary with the specified keys and values 开始学习		dict. fromkeys(keys, value)
Returns the value of the specified key 开始学习		. get(key)
Returns a list containing the dictionary's keys 开始学习		. keys()
Returns a list containing the a tuple for each key value pair 开始学习		. items()
Removes the element with the specified key 开始学习		. pop(key)
Removes the last inserted key-value pair 开始学习		. popitem(keyname, defaultvalue)
Returns the value of the specified key. If the key does not exist: insert the key, with the specified value 开始学习		. setdefault(keyname, value)
Updates the dictionary with the specified key-value pairs 开始学习		. update(iterable)
Returns a list of all the values in the dictionary 开始学习		. values()
Checks whether a dictionary possesses the give key/index. 开始学习		. has_key()

Dictionary Methods