Intro to Computer Science - Python | Khan Academy - Tracing loop execution | Intro to CS - Python | Khan Academy

Trace how the computer executes a while loop step-by-step. Practice how to use the loop variable stop, start, and update values to count the number of loop repetitions. View the program used in this video at: https://www.khanacademy.org/python-program/tracing-loop-execution/5242191622881280 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:simulating-phenomena-with-loops 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 - 01:03 : counting loop repetitions 01:04 - 01:28 : before the loop 01:29 - 02:56 : first loop iteration 02:57 - 03:27 : second loop iteration 03:28 - 03:55 : third loop iteration 03:56 - 04:20 : fourth loop iteration 04:21 - 04:55 : loop termination