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MSN: How to strengthen your lower back: Top 5 exercises for a healthier spine
Lower back pain is one of the most common health concerns worldwide, often linked to today’s sedentary lifestyle, long hours of sitting, poor posture, and lack of regular movement. Over time, these ...
How to strengthen your lower back: Top 5 exercises for a healthier spine
Learn about upcoming changes to Gmailify & POP in Gmail Gmail will start removing support for the following features: Gmailify: This feature allows you to get special features like spam protection or inbox organization applied to your third-party email account. Learn more about Gmailify.
Perhaps, I'm fundamentally misunderstanding how pop is implemented. But my understanding is that it removes the item at the given index in the list, and returns it. If no index is specified, it defaults to the last item. So it would seem that in the first loop it should remove 3 items from the left of the list, and in the second loop it should remove 3 items from the end of the list.
The usual use of pop is to delete the last item from a list as you use the list as a stack. Unlike del, pop returns the value that it popped off the list. You can optionally give an index value to pop and pop from other than the end of the list (e.g listname.pop (0) will delete the first item from the list and return that first item as its result).