Python list help (incrementing count, appending)

Question

I am trying to connect google\'s geocode api and github api to parse user\'s location and create a list out of it.

The array (list) I want to create is like this:

Answer 1

With collections.Counter, you could do :

from collections import Counter

# initial values
c=Counter({("Mumbai", 1, 2):5, ("San Francisco", 3,4): 4})

#adding entries
c.update([('Mumbai', 1, 2)])
print c  # Counter({('Mumbai', 1, 2): 6, ('San Francisco', 3, 4): 4})

c.update([('Mumbai', 1, 2), ("San Diego", 5,6)])
print c  #Counter({('Mumbai', 1, 2): 7, ('San Francisco', 3, 4): 4, ('San Diego', 5, 6): 1})