what does [::-1] mean in python
The method you used is called Slicing in Python. Slicing syntax in python is as follows, [ <first element to include> : <first element to exclude> : <step> ] where adding the step part is optional. Here is a
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How to slice a list in Python
This is commonly known as slicing. This creates a new list, it doesn''t trim the existing one. To trim in-place, use del on a slice; e.g. del listobj[-x:] will remove the last x elements from the list object.
Slicing a list in Python without generating a copy
Given a list of integers L, I need to generate all of the sublists L[k:] for k in [0, len(L) - 1], without generating copies. How do I accomplish this in Python? With a buffer object somehow?
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How to slice a list from an element n to the end in Python?
3 You can also use the None keyword for the end parameter when slicing. This would also return the elements till the end of the list (or any sequence such as tuple, string, etc.)
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