Practice - Introduction to file handling
Practice Questions
Test your understanding with targeted questions
What is the purpose of closing a file?
💡 Hint: Think about what happens to unsaved work when you close a document.
What does the read() method do?
💡 Hint: Consider how you would read a book: all at once or line by line?
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does the 'r' mode do when opening a file?
💡 Hint: Think about needing to read a book rather than write in it.
True or False: You can read and write to a file simultaneously.
💡 Hint: Imagine trying to read a newspaper while writing on it.
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Challenge Problems
Push your limits with advanced challenges
You have a text file with multiple lines of text. Write a Python program that counts the number of lines in the file and displays each line with its line number.
💡 Hint: Consider how to loop through each line and keep a count.
Create a function that takes a file name as an argument and writes 'Hello, World!' multiple times to the file without overwriting any existing content. Ensure to handle potential errors.
💡 Hint: What mode allows you to add content without deleting what's already there?
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Reference links
Supplementary resources to enhance your learning experience.