Dictionaries (FULL UNIT) | Intro to CS - Python | Khan Academy

How can you use programming to make sense of large amounts of data, and apply those insights to guide real world actions? Learn how to use dictionaries to organize your data into key-value pairs for easy lookup. Consider the tradeoffs of different nested data structures as you interpret everyday datasets.

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now with our Intro to Computer Science - Python course!

Course link: https://www.khanacademy.org/computing/intro-to-python-fundamentals/x5279a44ae0ab15d6:analyzing-data-with-dictionaries
Course playlist: https://www.youtube.com/playlist?list=PLSQl0a2vh4HDkbhG0sDW0b-VZXykEIAe5

Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!

Donate or volunteer today! Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc

Volunteer here: https://www.khanacademy.org/contribute?utm_source=youtube&utm_medium=desc

TIMESTAMPS:
00:00 : datasets & data structures
03:45 : dictionary keys & values
08:08 : dictionary hashing
13:26 : dictionary iteration
18:53 : program design - bakery inventory
25:18 : data modeling & APIs
29:36 : nested data access
35:30 : program design - first responders
...
https://www.youtube.com/watch?v=UlYJrnp4F2U
Note: All Khan Academy content is available for free at (www.khanacademy.org)