You can use the collections.Counter
counter = collections.Counter()
for d in dict1:
counter.update(d)
Or, if you prefer oneliners:
functools.reduce(operator.add, map(collections.Counter, dict1))
You can use the collections.Counter
counter = collections.Counter()
for d in dict1:
counter.update(d)
Or, if you prefer oneliners:
functools.reduce(operator.add, map(collections.Counter, dict1))