1] in Python with Examples - Guru99

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:

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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!

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Python increment by 1 - AskPython

In this case, the += operator merges the dictionary d with the dictionary {"c": 3}, resulting in the dictionary {“a”: 1, “b”: 2, “c”: 3}.. Overall, to increment a variable by 1 in Python, you can use the augmented assignment operator +=.This operator adds the right operand to the left operand and assigns the result to the left operand, allowing you to increment variables of ...

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Python Operators - W3Schools

Example Try it & AND: Sets each bit to 1 if both bits are 1: x & y: Try it » | OR: Sets each bit to 1 if one of two bits is 1: x | y: Try it » ^ XOR: Sets each bit to 1 if only one of two bits is 1: x ^ y: Try it » ~ NOT: Inverts all the bits ~x: Try it » << Zero fill left shift: Shift left by pushing zeros in from the right and let the ...

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

When 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.

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Python Examples - Programiz

The best way to learn Python is by practicing examples. This page contains examples on basic concepts of Python. We encourage you to try these examples on your own before looking at the solution. All the programs on this page are tested and should work on all platforms. Want to learn Python by writing code yourself?

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Top 100+ Python Program Examples With Output

Here we listed 100+ python program examples with output. Understand the question, read the statement, and develop the python program. Using this technique you can learn python very easily. This page contains the most commonly asked program examples, for all python programs visit:- All Python Program Examples.

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Python Programs | GeeksforGeeks

Example 1: Python3 # Python code to demonstrate. 4 min read. Tuple Programs. Find the Size of a Tuple in Python There are several ways to find the "size" of a tuple, depending on whether we are interested in the number of elements or the memory size it occupies. For Example: if we have a tuple like tup = (10, 20, 30, 40, 50), calling len(tup ...

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Loops in Python with Examples

Here 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.

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The Python Tutorial — Python 3.13.3 documentation

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. It helps to have a Python interpreter handy for hands-on experience, but all examples are self-contained, so the tutorial can be read off-line as well.

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