Python supports writing files by default, meaning no special modules are required. This built-in functionality ensures a smooth experience for developers. One can easily write to a file using the .write() method, which requires a parameter containing the text data.
Before diving into file writing, it’s important to understand the basics:
open(filename, 'w') function. Here, filename can be either the actual filename or its path..write() method to input your desired content.Related Course:
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The code below demonstrates how to create a new file or overwrite an existing one:
filename = "newfile.txt"
myfile = open(filename, 'w')
myfile.write('Written with Python\n')
myfile.close()
An important note: the ‘w’ flag will cause Python to truncate the file if it already exists. In simpler terms, existing file content will be replaced.
Appending Content to an Existing FileIf you wish to retain the existing content and merely add more to a file, the ‘a’ parameter is your go-to:
File Modes in Python: A Brief Summary
filename = "newfile.txt"
myfile = open(filename, 'a')
myfile.write('Appended with Python\n')
myfile.close()
When working with files, Python offers various modes. Here’s a summary of the essential ones:
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