replacing the open function

[snippsat]

If import like that then it will overwrite build in open().

Output:
>>> print(open.__doc__[:115])
Open file and return a stream.  Raise OSError upon failure.

file is either a text or byte string giving the name (

>>> from os import close,open
>>> print(open.__doc__[:115])
Open a file for low level IO.  Returns a file descriptor (integer).

If dir_fd is not None, it should be a file des

If ever want to use os.open()(never used it).
Then do not import like that,but use import os.

Note This function is intended for low-level I/O.
For normal usage, use the built-in function open(),
which returns a file object with read() and write() methods (and many more).
To wrap a file descriptor in a file object, use fdopen().