Week 4 Unit 1: Self-test

Last updated: 9 minutes ago (17. September 2026)

Question 1

Which of the following statements about file handling in Python are correct?

Note: There are 3 correct answers to this question.


It is possible to write into files and read from files. ✅
Usually a file has an extension like .docx or .xlsx. In Python, you can only work with files that have the extension .py. ❌
Files are necessary to speed up a program. ❌
Most files store the data sequentially. ✅
Files are used to store data persistently. ✅

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