Removing duplicate keys from python dictionary but summing the values

Question

I have a dictionary in python

d = {tags[0]: value, tags[1]: value, tags[2]: value, tags[3]: value, tags[4]: value}

imagine that this dict i

Answer 1

Perhapse what you really want is a tuple of key-value pairs.

[('dog',1), ('cat',2), ('cat',3)]