Using multiple open() items with with was not supported in Python 2.5 when the with statement was introduced, or in Python 2.6, but it is supported in Python 2.7 and Python 3.1 or newer.

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 …

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 …

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?...

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:

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 …

Jul 10, 2015 · "When you use with statement with open function, you do not need to close the file at the end, because with would automatically close it for you." I never knew about this! Which part of the …

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 …

In python 3 however open does the same thing as io.open and can be used instead. Note: codecs.open is planned to become deprecated and replaced by io.open after its introduction in python 2.6.

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 …