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How Can I Append to a File in Python Instead of Overwriting It?

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2025-01-04 17:18:40489browse

How Can I Append to a File in Python Instead of Overwriting It?

Appending to a File Instead of Overwriting

When writing to a file, it's often necessary to append the contents instead of overwriting what's already there. This can be achieved by setting the mode in the open() function to "a" (append) instead of the default "w" (write).

Example:

with open("test.txt", "a") as myfile:
    myfile.write("appended text")

In the above example, the with open statement creates a file object myfile that references the "test.txt" file in append mode. Any data written to myfile will be appended to the file without overwriting the existing contents.

Note:

The documentation for the open() function provides a comprehensive list of available modes for file operations.

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