PrivateView
Uutta! Yksityisnäkymä
Beta
Esikatsele verkkosivustoja suoraan hakutulossivultamme samalla kun pysyt täysin anonyyminä.
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!
PrivateView
Uutta! Yksityisnäkymä
Beta
Esikatsele verkkosivustoja suoraan hakutulossivultamme samalla kun pysyt täysin anonyyminä.
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
Uutta! Yksityisnäkymä
Beta
Esikatsele verkkosivustoja suoraan hakutulossivultamme samalla kun pysyt täysin anonyyminä.
1] in Python with Examples - Guru99
How to reverse a Python list using 1 in Python? The negative slicing and negative indexing can be applied to reverse a string or list in python. Let us take a string named “GURU99” to illustrate an example. Example. Python Code: b= "GURU99" print ("The list is", b) Substring=b[::-1] print (" The reverse of string GURU99 is", Substring) Output:
PrivateView
Uutta! Yksityisnäkymä
Beta
Esikatsele verkkosivustoja suoraan hakutulossivultamme samalla kun pysyt täysin anonyyminä.
Python String question: What does [::-1] mean? - Sololearn
If you leave slots empty, there's a default. [:] means: The whole thing. [::1] means: Start at the beginning, end when it ends, walk in steps of 1 (which is the default, so you don't even need to write it). [::-1] means: Start at the end (the minus does that for you), end when nothing's left and walk backwards by 1.
PrivateView
Uutta! Yksityisnäkymä
Beta
Esikatsele verkkosivustoja suoraan hakutulossivultamme samalla kun pysyt täysin anonyyminä.
What Does :: Mean in Python? Operator Meaning for Double Colon
4 => index 1 6 => index 2 8 => index 3 10 => index 4 12 => index 5. Using the stop parameter, you get all the elements in list that come before the specified index. Index 2 in the list is 6. The elements that come before it are 2 and 4 so they get printed out: [2, 4]. The other elements are "sliced off". Python Double Colon Example #3
PrivateView
Uutta! Yksityisnäkymä
Beta
Esikatsele verkkosivustoja suoraan hakutulossivultamme samalla kun pysyt täysin anonyyminä.
string - What does n [::-1] means in Python? - Stack Overflow
I have a string n = "abc". I want to reverse it and found a solution like n[::-1]. What is the meaning of all 3 arguments?
PrivateView
Uutta! Yksityisnäkymä
Beta
Esikatsele verkkosivustoja suoraan hakutulossivultamme samalla kun pysyt täysin anonyyminä.
syntax - What does :-1 mean in python? - Stack Overflow
I'm trying to port some Python code to C, but I came across this line and I can't figure out what it means: if message.startswith('<stream:stream'): message = message[:-1] + ' />' I understand that if ' message starts with <stream:stream then something needs to be appended.
PrivateView
Uutta! Yksityisnäkymä
Beta
Esikatsele verkkosivustoja suoraan hakutulossivultamme samalla kun pysyt täysin anonyyminä.
What is the meaning of "int(a[::-1])" in Python? - Stack Overflow
To get the same result , you cannot fill out all three, you can put <start> as len(a)-1, but there is no <stop> index you can put to get the first element. Example - a[len(a)-1::-1].This is because <stop> index is exclusive, that is the element at that index is not taken in, also -1 means the last element , so there is no index that can be used to include the first element , other than leaving ...
PrivateView
Uutta! Yksityisnäkymä
Beta
Esikatsele verkkosivustoja suoraan hakutulossivultamme samalla kun pysyt täysin anonyyminä.
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.
PrivateView
Uutta! Yksityisnäkymä
Beta
Esikatsele verkkosivustoja suoraan hakutulossivultamme samalla kun pysyt täysin anonyyminä.
Negative Indexing in Python List – How to Use “-1” Parameter
A Python list can have many elements, and refer to a particular element among hundreds of elements present in them, indexing is used. 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 ...