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...

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 files for …

39 Most likely, the problem is that you're using a relative file path to open the file, but the current working directory isn't set to what you think it is. It's a common misconception that relative paths are relative …

Jun 3, 2010 · What is the best way to open a file as read/write if it exists, or if it does not, then create it and open it as read/write? From what I read, file = open ('myfile.dat', 'rw') should do this, right?...

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 …

101 On Python 3.4, the pathlib module was added, and the following code will reliably open a file in the same directory as the current script:

$ python script.py In order to make this work, the directory containing the python executable must be in the PATH, a so-called environment variable that contains directories that are automatically used for …

Since Python 3.3, you can use the class ExitStack from the contextlib module to safely open an arbitrary number of files. It can manage a dynamic number of context-aware objects, which means that it will …

Jan 9, 2019 · In my project folder I created a venv folder: python -m venv venv When I run command select python interpreter in Visual Studio Code, my venv folder is not shown. I went one level up like …

Jan 16, 2011 · The a+ in the open(...) statement instructs to open the file in append mode and allows read and write access. It is also always good practice to use file.close() to close any files that you …