I'm looking at how to do file input and output in Python. I've written the following code to read a list of names (one per line) from a file into another file while checking a name against the name...

Oct 3, 2025 · In Python's built-in open function, what is the difference between the modes w, a, w+, a+, and r+? The documentation implies that these all allow writing to the file, and says that they open the …

Oct 22, 2013 · I am very new to programming and the python language. I know how to open a file in python, but the question is how can I open the file as a parameter of a function? example: function …

I typically open my code file with my mac terminal using code filename.py. Using the command mentioned above (os.listdir()) I saw that I was somewhere else (I believe my home directory).

Jan 16, 2011 · When you open with "a" mode, the write position will always be at the end of the file (an append). You can open with "a+" to allow reading, seek backwards and read (but all writes will still …

May 28, 2011 · This example is better than the open/close example. Using with is a safer way to remember to close a file.

Closed 2 years ago. I used to open files that were in the same directory as the currently running Python script by simply using a command like:

Miguel Hernandez 1,259 2 9 3 5 Possible duplicate of Open in Python does not create a file if it doesn't exist – Kevin J. Chase Mar 5, 2016 at 1:18

Aug 24, 2011 · Suppose my python code is executed a directory called main and the application needs to access main/2091/data.txt. how should I use open (location)? what should the parameter location …

How do I check whether a file exists or not, without using the try statement?