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In Python, working with files is a common task, whether it's creating a new file or opening an existing one. This tutorial will guide you through the process of creating and opening files using Python, along with code examples.
To create a new file in Python, you can use the open() function with the 'w' (write) mode. If the specified file does not exist, it will be created; otherwise, its contents will be overwritten.
In this example, we create a new file named new_file.txt and write some text into it. The with statement is used to ensure that the file is properly closed after writing.
To open an existing file, you can use the open() function with the 'r' (read) mode. This allows you to read the content of the file without modifying it.
In this example, we open the file existing_file.txt and read its content. The with statement is again used to handle the file properly, closing it after reading.
To add content to an existing file without overwriting its current content, use the 'a' (append) mode.
Here, we open the file in 'append' mode and add a new line to the end of the file.
These examples cover the basics of creating, opening, and appending to files in Python. Remember to handle file operations within a with statement to ensure proper file closure. Additionally, consider error handling for file-related operations to handle potential exceptions.
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