How to Close a Python File?

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To close a file in Python, you can use the close() method provided by the file object. The close() method releases any system resources associated with the file and ensures that all the data is written to disk. Here’s how you can close a file in Python:

# Open a file in write mode
file = open("example.txt", "w")

# Write data to the file
file.write("Hello, World!")

# Close the file
file.close()

In this example, we first open a file named “example.txt” in write mode using the open() function. We assign the file object to the variable file. Then, we write the string “Hello, World!” to the file using the write() method. Finally, we close the file by calling the close() method on the file object.

It’s important to close files after you’re done with them to free up system resources and ensure proper handling of the file. Failing to close files can result in data loss or other issues. Alternatively, you can also use a context manager (with statement) to automatically close the file for you:

with open("example.txt", "w") as file:
    file.write("Hello, World!")

Using a context manager ensures that the file is automatically closed when you exit the block, even if an exception occurs within the block.

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