New! PrivateView
Beta
A [-1] is used for negative indexes and helps select items in reverse order in a given list. It signifies the beginning of the list from the end of the reverse order. Here, [-1] signifies the first item from the last position. The following is an example that explains the usage of A[-1] Example: – Python Code:
Copied 
See Cached Version
Your search and this result
- The search term appears in the result: 1 in python example
- The website matches one or more of your search terms
- Other websites that include your search terms link to this result
- The result is in English (New Zealand)
New! PrivateView
BetaWorking 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!
Copied
See Cached Version
Your search and this result
- The search term appears in the result: 1 in python example
- The website matches one or more of your search terms
- Other websites that include your search terms link to this result
- The result is in English (New Zealand)
New! PrivateView
BetaPython Program Read a File Line by Line Into a List; Python Program to Randomly Select an Element From the List; Python Program to Check If a String Is a Number (Float) Python Program to Count the Occurrence of an Item in a List; Python Program to Append to a File; Python Program to Delete an Element From a Dictionary
Copied
See Cached Version
Your search and this result
- The search term appears in the result: 1 in python example
- The website matches one or more of your search terms
- Other websites that include your search terms link to this result
- The result is in English (New Zealand)
New! PrivateView
BetaWhen you specify a start and end index of 1 and 5, respectively, slicing will select values at index 1, index 2 (1 increment to the previous index), index 3 (1 increment to the previous index) and index 4 (and one increment to the previous index). In this slicing, a step of 1 is used by default. But you can provide a different step.
Copied
See Cached Version
Your search and this result
- The search term appears in the result: 1 in python example
- The website matches one or more of your search terms
- Other websites that include your search terms link to this result
- The result is in English (New Zealand)
New! PrivateView
BetaW3Schools 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.
Copied
See Cached Version
Your search and this result
- The search term appears in the result: 1 in python example
- The website matches one or more of your search terms
- Other websites that include your search terms link to this result
- The result is in English (New Zealand)
New! PrivateView
BetaPython list slicing is fundamental concept that let us easily access specific elements in a list. In this article, we’ll learn the syntax and how to use both positive and negative indexing for slicing with examples. Example: Get the items from a list starting at position 1 and ending at position 4 (exclusive). Python
Copied
See Cached Version
Your search and this result
- The search term appears in the result: 1 in python example
- The website matches one or more of your search terms
- Other websites that include your search terms link to this result
- The result is in English (New Zealand)
New! PrivateView
BetaValueError: Can Only Convert an Array of Size 1 to a Python Scalar; Create an Array from 1 to N in Python; Write an Array to a File in Python; Create Arrays in Python; Compare Lists, Tuples, Sets, and Dictionaries in Python; Save an Array to a File in Python; Conclusion. Arrays in Python provide powerful ways to work with collections of data.
Copied
See Cached Version
Your search and this result
- The search term appears in the result: 1 in python example
- The website matches one or more of your search terms
- Other websites that include your search terms link to this result
- The result is in English (New Zealand)
New! PrivateView
BetaHere the condition checked is ‘i<=5’. For the first iteration, i=1 and is less than 5. So, the condition is True and 1 is printed. Then the ‘i’ value is incremented to print the next number and the condition is checked.
Copied
See Cached Version
Your search and this result
- The search term appears in the result: 1 in python example
- The website matches one or more of your search terms
- Other websites that include your search terms link to this result
- The result is in English (New Zealand)
New! PrivateView
BetaThe Python interpreter is easily extended with new functions and data types implemented in C or C++ (or other languages callable from C). Python is also suitable as an extension language for customizable applications. This tutorial introduces the reader informally to the basic concepts and features of the Python language and system.
Copied
See Cached Version
Your search and this result
- The search term appears in the result: 1 in python example
- The website matches one or more of your search terms
- Other websites that include your search terms link to this result
- The result is in English (New Zealand)
New! PrivateView
BetaOther Python Tutorials. DataCamp has tons of great interactive Python Tutorials covering data manipulation, data visualization, statistics, machine learning, and more; Read Python Tutorials and References course from After Hours Programming; Contributing Tutorials. Read more here: Contributing Tutorials
Copied
See Cached Version
Your search and this result
- The search term appears in the result: 1 in python example
- The website matches one or more of your search terms
- Other websites that include your search terms link to this result
- The result is in English (New Zealand)
