Issue in printing top 20 dictionary items by dictionary value

Shiva shivaji_tn at
Sat Oct 4 19:36:52 CEST 2014

It works :
orderedwords = sorted(textstorage.keys(), key=textstorage.get)

The method textstorage.get will accept a word and return it's value which in
this instance is the count.

What I don't understand is:

    for w in eachword:
        textstorage[w]=textstorage.get(w, 0) + 1

How does textstorage.get(w,0)+1 give the count of the word??


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