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 …

45 import webbrowser webbrowser.open(url, new=0, autoraise=True) Display url using the default browser. If new is 0, the url is opened in the same browser window if possible. If new is 1, a new …

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:

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 …

Jul 11, 2011 · And: f.write (string) writes the contents of string to the file, returning None. Also if you open Python tutorial about reading and writing files you will find that: 'r+' opens the file for both …

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?

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 …

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 …

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?...