python what does 1 mean - PrivacyWall

https://stackoverflow.com/questions/15535205/what-does-1-mean-do-...

PrivateView

What does [:-1] mean/do in python? - Stack Overflow

Working on a python assignment and was curious as to what [:-1] means in the context of the following code: instructions = f.readline()[:-1] Have searched on here on S.O. and on Google but to no avail. Would love an explanation!

https://www.freecodecamp.org/news/python-slicing-how-to-slice-an-...

PrivateView

Python Slicing – How to Slice an Array and What Does [::-1] Mean?

The sliced array results in values of 3, 2, and 1. What does [::-1] mean? Have you seen this expression anywhere in Python before? Well, here's what it means: there's no start index specified, nor an end index, only a negative step of -1.

https://www.sololearn.com/en/discuss/1838639/python-string-questi...

PrivateView

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. - The `-1` as ...

https://stackoverflow.com/questions/52395099/meaning-of-list-1-in...

PrivateView

Meaning of list [-1] in Python - Stack Overflow

So, what does the -1 mean in this context? python python-3.x list Share Improve this question Follow edited Jun 8, 2022 at 12:14 Woody1193 8,100 8 8 gold badges 63 63 silver badges 125 125 bronze badges asked Sep 18, 2018 at 21:53 kratosthe1st 261 1 2 ...

https://stackoverflow.com/questions/6167238/what-does-mean

PrivateView

python - What does [:] mean? - Stack Overflow

It is an example of slice notation, and what it does depends on the type of population.If population is a list, this line will create a shallow copy of the list. For an object of type tuple or a str, it will do nothing (the line will do the same without [:]), and for a (say) NumPy array, it will create a new view to the same data.

https://stackoverflow.com/questions/18691084/what-does-1-mean-in-...

PrivateView

python - What does -1 mean in numpy reshape? - Stack Overflow

But what does -1 mean here? python numpy reshape numpy-ndarray Share Improve this question Follow edited Jun 13, 2022 at 7:32 Mateen Ulhaq 27.4k 21 21 gold badges 119 119 silver badges 152 152 bronze badges asked Sep 9, 2013 at 3:25 7,357 5 5 gold ...

https://stackoverflow.com/questions/22832615/what-do-and-mean-in-...

PrivateView

syntax - What do >> and << mean in Python? - Stack Overflow

128 >> 1 64 = 01000000 x << y Returns x with the bits shifted to the left by y places (and new bits on the right-hand-side are zeros). This is the same as multiplying x by 2**y. 64 << 1 128 = 10000000 PD: In python 3.9 the operator " | "Applied to dictionaries

https://www.w3schools.com/python/python_operators.asp

PrivateView

Python Operators - W3Schools

W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.

https://www.tutorialspoint.com/what-does-do-in-python

PrivateView

What Does 'do' Do in Python - Online Tutorials Library

Slicing in Python gets a sub-string from a string. The slicing range is set as parameters i.e. start, stop and step. For slicing, the 1st index is 0. For negative indexing, to display the 1st element to last element in steps of 1 in reverse order, we use the [::-1]. The [::-1

https://www.askpython.com/python/examples/plus-equal-operator

PrivateView

The += Operator In Python - A Complete Guide - AskPython

In this lesson, we will look at the += operator in Python and see how it works with several simple examples. 1. Adding Two Numeric Values With += Operator In the code mentioned below, we have initialized a variable X with an initial value of 5 and then add value 15

PrivateView

測試版

私隱瀏覽讓你匿名瀏覽網站。此功能可能不支援所有網站。

PrivateView

測試版

私隱瀏覽讓你匿名瀏覽網站。此功能可能不支援所有網站。

載入中...