Oct 5, 2012 · By using a : colon in the list index, you are asking for a slice, which is always another list. In Python you can assign values to both an individual item in a list, and to a slice of the list.

The second, list(), is using the actual list type constructor to create a new list which has contents equal to the first list. (I didn't use it in the first example because you were overwriting that name in your …

Nov 2, 2010 · When reading, list is a reference to the original list, and list[:] shallow-copies the list. When assigning, list (re)binds the name and list[:] slice-assigns, replacing what was previously in the list. …

I understand that they are both essentially the same thing. But in terms of creating an empty list or dict, are there any differences?

My question is in the significance of the -1 in return c.most_common()[-1]. Changing this value to any other breaks the code as the least common element is no longer returned. So, what does the -1 …

The notation List<?> means "a list of something (but I'm not saying what)". Since the code in test works for any kind of object in the list, this works as a formal method parameter. Using a type parameter …

Create a dropdown list on cells with existing data In Google Sheets, open a spreadsheet. Select the cell or cells with existing data. Right-click Dropdown. If a selected cell includes an existing dropdown, …

Feb 2, 2013 · can we have list comprehension without a for loop and just if/else to put a single default value inside the list and later extend it if required? i.e. result = [ 'hello' if x == 1 ].

Editor's notes: If your list of lists comes from a nested list comprehension, the problem can be solved more simply/directly by fixing the comprehension; please see How can I get a flat result from a list …

Adding these events to your website or mobile app helps you measure additional features and behavior as well as generate more useful reports, and build suggested audiences. Because these events requir