Why Is It Important to Close Files in Python?
At some point in your Python coding journey, you learn that you should use a context manager to open files. Python context managers make it easy to close your files once you’re done with them:
with open("hello.txt", mode="w") as file:
file.write("Hello, World!")
The with statement initiates a context manager. In this example, the context manager opens the file hello.txt and manages the file resource as long as the context is active. In general, all the code in the indented block depends on the file object being open. Once the indented block either ends or raises