PrivateView
Neu! Privatansicht
Beta
Sehen Sie sich Websites direkt auf unserer Suchergebnisseite an und bleiben Sie dabei völlig anonym.
What does [:-1] mean/do in python? - Stack Overflow
Sometimes -1 is used to express the end of an array of things. My guess is this means to read from beginning to the end of the line (but just a guess, hence not an official answer). I'm not sure it's a dup, because of that "in the context of…" part—which is the part that you and, especially, Pavel Anossov answered.
PrivateView
Neu! Privatansicht
Beta
Sehen Sie sich Websites direkt auf unserer Suchergebnisseite an und bleiben Sie dabei völlig anonym.
Python Slicing – How to Slice an Array and What Does [::-1] Mean?
Learn how to slice an array in Python using colons and square brackets. See examples of slicing with different start, end and step arguments.
PrivateView
Neu! Privatansicht
Beta
Sehen Sie sich Websites direkt auf unserer Suchergebnisseite an und bleiben Sie dabei völlig anonym.
1] in Python with Examples - Guru99
Whenever a programmer defines [::-1], it suggests that the program has to traverse from start to end in a given list. You can do indexing in python, which helps to slice and dice an iterable sequence such as a list or string. What is [::-1] in Python? What is the type of 1 in Python? How to perform Indexing in Python?
PrivateView
Neu! Privatansicht
Beta
Sehen Sie sich Websites direkt auf unserer Suchergebnisseite an und bleiben Sie dabei völlig anonym.
What Does 'do' Do in Python - Online Tutorials Library
Discover the functionality and purpose of the 'do' statement in Python programming. Learn how it can be utilized effectively in your code.
PrivateView
Neu! Privatansicht
Beta
Sehen Sie sich Websites direkt auf unserer Suchergebnisseite an und bleiben Sie dabei völlig anonym.
syntax - What do >> and << mean in Python? - Stack Overflow
Perhaps an example would help, type a series of these in Python: print bin(1), print bin(1 << 1), print bin(17), print bin(17 >> 1) and so on. You can see how it works without explanations. It is an answer to the context the OP provided (and thus known to OP) and not to the question asked.
PrivateView
Neu! Privatansicht
Beta
Sehen Sie sich Websites direkt auf unserer Suchergebnisseite an und bleiben Sie dabei völlig anonym.
string - What does n [::-1] means in Python? - Stack Overflow
It means, "start at the end; count down to the beginning, stepping backwards one step at a time." The slice notation has three parts: start, stop, step: If the start and stop aren't specified, it means to go through the entire sequence:
PrivateView
Neu! Privatansicht
Beta
Sehen Sie sich Websites direkt auf unserer Suchergebnisseite an und bleiben Sie dabei völlig anonym.
Python Operators - W3Schools
Operators are used to perform operations on variables and values. In the example below, we use the + operator to add together two values: Python divides the operators in the following groups: Arithmetic operators are used with numeric values to perform common mathematical operations: Assignment operators are used to assign values to variables:
PrivateView
Neu! Privatansicht
Beta
Sehen Sie sich Websites direkt auf unserer Suchergebnisseite an und bleiben Sie dabei völlig anonym.
Negative Indexing in Python List – How to Use “-1” Parameter
Indexing in Python is a way to refer to individual items by their position within a list. In Python, objects are “zero-indexed”, which means that position counting starts at zero, 5 elements exist in the list, then the first element (i.e. the leftmost element) holds position “zero”, then After the first element, the second, third and fourth place.
PrivateView
Neu! Privatansicht
Beta
Sehen Sie sich Websites direkt auf unserer Suchergebnisseite an und bleiben Sie dabei völlig anonym.
Python String question: What does [::-1] mean? - Sololearn
In Python, the syntax ` [::-1]` is used to reverse a string. It is known as string slicing with a step value of -1. Let's break down how it works: - The first colon `:` indicates that we want to slice the entire string. - The second colon `:` indicates the step value.
PrivateView
Neu! Privatansicht
Beta
Sehen Sie sich Websites direkt auf unserer Suchergebnisseite an und bleiben Sie dabei völlig anonym.
python - What is the difference between i = i + 1 and i += 1 in a 'for ...
But to explicitly write into the same memory you could use i[:] = i+1 (but it's generally better to use += or the out -argument of several ufuncs).