Talk to Files

You’ve created data in Python—now let’s save it and read it back later. Time to give Python long-term memory using files!

Write to a file

Try this:

You won’t see any output on the screen after running this code, and that’s normal! This code is writing the message “Hello from Python!” into a file called message.txt.

The with open("message.txt", "w") part tells Python to open a file named message.txt in “write” mode ("w"). If the file doesn’t already exist, Python will create it for you. Once the file is open, file.write("Hello from ...