More Dictionary Operations


del dict[k]          -- removes entry for k
dict.clear()         -- removes all entries
dict.update(dict2)   -- merges dict2 into dict
dict.has_key(k)      -- membership check for k
k in dict            -- Ditto
dict.get(k,d)        -- dict[k] returns d on failure 
dict.setDefault(k,d) -- Ditto, also sets dict[k] to d