[Solved] Python adding elements to dict and to defaultdict [closed]

Question

This is the whole point of defaultdict: you construct one with a callable (in this case, int), and when a key is accessed that doesn’t exist, it will call it (producing 0), and insert it into the dictionary. It auto-creates keys as you access them.

Accepted Answer

This is the whole point of defaultdict: you construct one with a callable (in this case, int), and when a key is accessed that doesn’t exist, it will call it (producing 0), and insert it into the dictionary. It auto-creates keys as you access them.