Dictionary iteration | Intro to CS - Python | Khan Academy скачать в хорошем качестве

Dictionary iteration | Intro to CS - Python | Khan Academy

How do you iterate over the items in a dictionary? Apply for-each loops to iterate over a dictionary by key, by value, and by item. Trace how the computer uses dictionary views to access just the dictionary values. View the program used in this video at: https://www.khanacademy.org/python-pr... 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... Course playlist:    • Intro to Computer Science - Python | Khan ...   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?ut... Volunteer here: https://www.khanacademy.org/contribut... TIMESTAMPS: 00:00 : for-each loop 00:45 : iterating by key 01:24 : counting repeat words 01:53 : .keys(), .values(), and .items() methods 02:24 : iterating by value 02:39 : iterating by item 03:19 : variable unpacking 04:17 : dictionary views 05:14 : summary