How Can I Append Text to an Existing File in Python?

Appending to a File

While writing to a file, it's often desirable to append to its existing content rather than overwriting it. To achieve this in Python, we modify the mode parameter in the open() function.

Solution:

Instead of using "w" (write) mode, set the mode to "a" (append). This ensures that when opening the file, it'll append the new content instead of replacing the existing data.

Code Example:

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

In this example, the "test.txt" file is opened in append mode, and the string "appended text" is written to it. The file's existing content remains unaffected.

Note:

As highlighted in the Python documentation, various modes are available for file handling. For a comprehensive list of these modes, refer to the documentation.

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