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Nested data access | Intro to CS - Python | Khan Academy
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Can a dictionary have a dictionary value? Learn how to access values in a dictionary with nested data structures. Trace how to evaluate a multi-part access expression.
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now with our Intro to Computer Science - Python course!
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!
TIMESTAMPS:
00:00 : what is nested data?
00:25 : gas works park dictionary
00:49 : identifying the data structure
01:25 : accessing a nested list
02:00 : evaluating a mulit-part access
02:41 : operating on a nested list
03:04 : accessing a nested dictionary
04:05 : 3-layer nested data
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now with our Intro to Computer Science - Python course!
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!
TIMESTAMPS:
00:00 : what is nested data?
00:25 : gas works park dictionary
00:49 : identifying the data structure
01:25 : accessing a nested list
02:00 : evaluating a mulit-part access
02:41 : operating on a nested list
03:04 : accessing a nested dictionary
04:05 : 3-layer nested data
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