python append to text file
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Title: Python Tutorial - Appending to a Text File
Introduction:
Appending data to a text file is a common operation in Python, especially when you want to add new content to an existing file without overwriting its current content. This tutorial will guide you through the process of appending text to a file using Python.
Prerequisites:
Step 1: Open the File in Append Mode:
In Python, you can use the open() function to open a file. To append content to an existing file, you need to open the file in append mode by passing the mode parameter as 'a'. Here's an example:
Step 2: Append Data to the File:
Once the file is open in append mode, you can use the write() method to add new content to the file. Here's an example appending a simple string:
In this example, the write() method is used to append the string "Hello, World!" followed by a newline character (\n) to the file.
Step 3: Append Multiple Lines:
You can append multiple lines of text by providing a list of strings to the writelines() method. Each string in the list represents a line in the file:
Conclusion:
Appending to a text file in Python is a straightforward process. By opening the file in append mode and using the write() or writelines() method, you can add new content to the end of the file. This tutorial should help you understand the basics of appending to text files in Python.
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