Explanation for the following code in python [closed]

1. What is closed in Python?
2. How do you ensure a closed file in Python?
3. Why is .close important in Python?

What is closed in Python?

Python has a close() method to close a file. The close() method can be called more than once and if any operation is performed on a closed file it raises a ValueError. The below code shows a simple use of close() method to close an opened file.

How do you ensure a closed file in Python?

Python File close() Method

Python file method close() closes the opened file. A closed file cannot be read or written any more. Any operation, which requires that the file be opened will raise a ValueError after the file has been closed. Calling close() more than once is allowed.

Why is .close important in Python?

You've learned why it's important to close files in Python. Because files are limited resources managed by the operating system, making sure files are closed after use will protect against hard-to-debug issues like running out of file handles or experiencing corrupted data.