Practical Data Science using Python - Python Dictionaries 2

The video tutorial explains various functions used in Python dictionaries, including items, keys, values, pop item, and set default. It describes how each function operates, their effects on the dictionary, and how to iterate through a dictionary using a for loop. The tutorial provides examples to illustrate the use of these functions, highlighting the behavior of each function when applied to a dictionary.

Describe the set default function and its effect on existing keys in a dictionary.

How can you iterate through a dictionary and access both keys and values?