Evaluating expressions with variables | Intro to computer science - Python | Khan Academy

Channel:
Subscribers:
9,130,000
Published on ● Video Link: https://www.youtube.com/watch?v=HW__or3B9pw



Duration: 5:47
156 views
0


Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! https://www.khanacademy.org/computing/intro-to-python-fundamentals/x5279a44ae0ab15d6:computational-thinking-with-variables

Trace a program with variables to understand how the computer interprets assignment statements, variable accesses, and variable expressions. View the program used in this video at: https://www.khanacademy.org/python-program/evaluating-expressions-with-variables/5620697605521408

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 - 01:15 : gene = "BRCA2"
01:16 - 01:59 : num_mutations = 4 + 5 + 2
02:00 - 02:51 : print(gene + "gene")
02:52 - 03:45 : num_mutations = num_mutations + 1
03:46 - 04:30 : gene = num_mutations
04:31 - 05:09 : num_mutations = gene + 5
05:10 - 05:32 : print(num_mutations + gene)
05:33 - 05:46: program termination




Other Videos By Khan Academy


2024-06-25elif and else branches | Intro to computer science - Python | Khan Academy
2024-06-25Booleans program design: content moderation | Intro to computer science - Python | Khan Academy
2024-06-25Evaluating compound boolean expressions | Intro to computer science - Python | Khan Academy
2024-06-25if statements program design: bus fare | Intro to computer science - Python | Khan Academy
2024-06-25if statements | Intro to computer science - Python | Khan Academy
2024-06-25Intro to algorithms and selection | Intro to computer science - Python | Khan Academy
2024-06-25Order of operations with function calls | Intro to computer science - Python | Khan Academy
2024-06-25Type casting | Intro to computer science - Python | Khan Academy
2024-06-25Variables program design: catering contract | Intro to computer science - Python | Khan Academy
2024-06-25User input and frontend development | Intro to computer science - Python | Khan Academy
2024-06-25Evaluating expressions with variables | Intro to computer science - Python | Khan Academy
2024-06-25What is a variable? | Intro to computer science - Python | Khan Academy
2024-06-25Debugging with linters and stack traces | Intro to computer science - Python | Khan Academy
2024-06-25Intro to tracing program execution | Intro to computer science - Python | Khan Academy
2024-06-25Plus operator and the print function | Intro to computer science - Python | Khan Academy
2024-06-25What is computer science? | Intro to computer science - Python | Khan Academy
2024-06-25Interactions within and among species | High school biology | Khan Academy
2024-06-24Blackbody radiation | Physics | Khan Academy
2024-06-20Atomic spectra | Physics | Khan Academy
2024-06-17The photoelectric and photovoltaic effects | Physics | Khan Academy
2024-06-14Diffraction and interference of light | Physics | Khan Academy



Tags:
online learning
online class
video class
video tutorial
online education