unique unions of several dict keys

[python]

Hi-


I have several different dictionaries. I want to make a unique list of
all the keys in all the dictionaries. What would be the best way of doing
that?


Thanks.

 

[Duncan Booth]

(e-mail address removed) wrote in

I have several different dictionaries. I want to make a unique list
of all the keys in all the dictionaries. What would be the best way
of doing that?

Create a new empty dictionary then use the update method on it for each of
other dictionaries. The keys of that dictionary are the values you want.

e.g.
tmpDict = {}
for d in dicts:
tmpDict.update(d)
return tmpDict.keys()

['a', 'c', 'b']