13.5. File Handling in Python

Try these first

1. 1.

   What function do you use to open a file in Python?

   Hint

   Think of the command used to access files in Python.

2. 2.

   What mode do you use to open a file for writing?

   Hint

   Remember that w stands for a specific action.

3. 3.

   What is the mode used to open a file for writing in Python?

   • r
   • w
   • a
   • rb

   Hint

   It’s the first letter of 'write'.

4. 4.

   Context managers are used to automatically handle which of the following?

   • True
   • False

   Hint

   Think about what happens to resources when you're done using them.

5. 5.

   Create a Python function that takes a file name and writes multiple lines of text to it. Ensure it handles cases where the file already exists.

   Hint

   Consider how to manage existing files and whether to overwrite them.

6. 6.

   Write a piece of code that reads a CSV file and prints each row. Explain how you would handle exceptions if the file is not found.

   Hint

   Think about the mechanism to alert the user when the file doesn’t exist.