Python - How To Deal With Missing Keys While Iterating Through A List Of Dictionaries?

In the following example I iterate through a list of dictionaries and I save the 'age' on a list. However, the second dictionary does not have the key 'age'. In that case I would l

Solution 1:

You can use dict.get(key, default_value) method, If the key not exist it will return default value. If you don't set default value it will return None

ages = [li.get('age', 0) for li in my_list]