This function takes a Python object and optional parameters for slicing and returns the start, stop, step ...

Jul 19, 2015 · First of all, I'd like to clarify the question: it's about the slice() function, not slices of lists or strings like a[5:4:3]. The docs mention that this function is used in NumPy and give no …

Oct 12, 2010 · The slice function returns slice objects. Slice objects are one of Python's internal types, which are optimized for read performance - all of their attributes are read-only. Altering …

We can then open up slice objects as: s = slice(1, 2, 3) assert s.start == 1 assert s.stop == 2 assert s.step == 3 This is notably used in Numpy to slice multi-dimensional arrays in any …

Ellipsis is used mainly by the numeric python extension, which adds a multidimensional array type. Since there are more than one dimensions, slicing becomes more complex than just a …

To extend Aaron's answer, for things like numpy, you can do multi-dimensional slicing by checking to see if given is a tuple:

Dec 4, 2012 · class SliceMaker(object): def __getitem__(self, item): return item make_slice = SliceMaker() print make_slice[3] print make_slice[0:] print make_slice[:-1] print …

Feb 16, 2018 · You may use Python's slice() function with all the capabilities provided by the slice notation.Internally, both slice() function and the slice notation uses the slice object.

May 13, 2012 · I ran across this recently, while looking up how to have the user mimic the usual slice syntax of a:b:c, ::c, etc. via arguments passed on the command line. The argument is …

Slice is a JavaScript implementation of Python's awesome negative indexing and extended slice syntax for arrays and strings. It uses ES6 proxies to allow for an intuitive double-bracket …