How to create or update values in a dictionary in Python

Creating or updating values in a dictionary checks if a specified key exists in the dictionary. If it does, a specified value is appended to that key’s current value. Otherwise, the key is added to the dictionary with that specified value appended to another specified value.

Solution for How to create or update values in a dictionary in Python : You can use dict.setdefault() to create or update values in a dictionary Call dict.setdefault(key, new_value) + to_append to add to_append to the value associated with key if key exists in dict. Otherwise, it adds key to dict with the value new_value + to_append.


how-to-create-or-update-values-in-a-dictionary-in-python