Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the 'r' mode allow you to do with a file?
💡 Hint: Think about access rights.
Question 2
Easy
What happens when you open a file in 'w' mode?
💡 Hint: What does 'w' stand for?
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What mode would you use to read a file without modifying it?
- r
- w
- a
💡 Hint: Think about what you can do without changing the file.
Question 2
True or False: The 'w' mode will preserve the file content if it already exists.
- True
- False
💡 Hint: What happens to the old data?
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have a file that logs errors in your application. Write a Python function that opens this file in 'a' mode to add new error log entries. Explain how you ensure that existing entries remain intact.
💡 Hint: Think about how you can open the file so everything stays there.
Question 2
Design a program that reads data from a binary file using 'rb' mode. Explain what will happen if you unintentionally open the file in 'r' mode instead.
💡 Hint: Consider the type of data you're dealing with.
Challenge and get performance evaluation