The colon, :, is what tells Python you're giving it a slice and not a regular index. That's why the idiomatic way of making a shallow copy of lists in Python 2 is

Oct 12, 2010 · The index or slice is passed to the methods as a single argument, and the way Python does this is by converting the slice notation, (1:10:2, in this case) to a slice object: slice(1,10,2).

Jul 19, 2015 · Whenever some other code uses slice notation on your an instance of your class Python will call your __getitem__ method with a slice object. (Older versions of Python used a __getslice__ …

To my understanding, slice means lst[start:end], and including start, excluding end. So how would I go about finding the "rest" of a list starting from an element n?

How to slice a list in Python Asked 16 years, 2 months ago Modified 4 years ago Viewed 205k times

I have a Pandas Data Frame object that has 1000 rows and 10 columns. I would simply like to slice the Data Frame and take the first 10 rows. How can I do this? I've been trying to use this: >&g...

May 19, 2012 · 27 You can slice along the columns of a DataFrame by referring to the names of each column in a list, like so:

Aug 31, 2012 · 45 Python 3 only answer (that doesn't use slicing or throw away the rest of the list, but might be good enough anyway) is use unpacking generalizations to get first and last separate from …

How to slice column values in pandas DataFrame Asked 7 years, 10 months ago Modified 5 months ago Viewed 27k times

Jul 31, 2018 · Python strings are immutable. This means that you must create at least 1 new string in order to remove the comma, as opposed to editing the string in place in a language like C.