Python In Practice - 15 Projects to Master Python - Python Dictionaries

This video tutorial introduces Python dictionaries, explaining how to create them using key-value pairs within curly braces. It covers accessing and printing dictionary elements using slicing and built-in functions like values and keys. The tutorial also demonstrates creating nested dictionaries and accessing their elements. The session concludes with a preview of the next lesson on dictionary methods.

What is the correct syntax to create a dictionary in Python?

• Using parentheses and commas

• Using angle brackets and equals

• Using curly braces and colons

• Using square brackets and colons

How can you access the value associated with a specific key in a dictionary?

• By using the dictionary's name

• By using the length of the dictionary

• By using the value as an index

• By using the key as an index

Which function is used to retrieve all the keys from a dictionary?

• getKeys()

• retrieveKeys()

• keys()

• listKeys()

What is a nested dictionary?

• A dictionary with multiple values for a single key

• A dictionary containing another dictionary as a value

• A dictionary with keys that are lists

• A dictionary with values that are tuples

How can you access elements in a nested dictionary?

• By using the outer dictionary's key only

• By using the length of the outer dictionary

• By using the inner dictionary's key only

• By using both the outer and inner dictionary's keys