Some methods to handle dictionaries in jython

Some methods to handle dictionaries

Method	Description
adict.has_key(k)	Returns TRUE (1) if the key k exists in the dictionary
adict.keys()	Returns the list of dictionary keys
adict.values()	Returns a list of dictionary values
adict.items()	Returns a list of tuples (key, value) for each element of the dictionary
adict.clear()	Deletes all elements of adict
adict.copy()	Returns a copy of adict
dic1.update(dic2)	Update the dictionary dic1 with the values of dic2  based on the values of the keys
adict.get(k[,default])	Equivalent to adict[k] but returns default if k cannot be found.
adict.popitem()	Retrieves an element and deletes it from the dictionary