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 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 …

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 …

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:

Jan 16, 2011 · On some operating systems, opening the file with 'a' guarantees that all your following writes will be appended atomically to the end of the file (even as the file grows by other writes). A few …

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 …

Jun 3, 2010 · The file pointer is at the end of the file if the file exists. The file opens in the append mode. If the file does not exist, it creates a new file for reading and writing. - Python file modes seek () …

The default UTF-8 encoding of Python 3 only extends to conversions between bytes and str types. open() instead chooses an appropriate default encoding based on the environment: encoding is the …

The following is an example of how you might write and read a pickle file. Note that if you keep appending pickle data to the file, you will need to continue reading from the file until you find what …

When you say "replace the old content that's in the file with the new content", you need to read in and transform the current contents data = file.read(). You don't mean "blindly overwrite it without needing …