what does 1 do in python - PrivacyWall

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

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

It slices the string to omit the last character, in this case a newline character: Since this works even on empty strings, it's a pretty safe way of removing that last character, if present: This works on any sequence, not just strings.

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

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

We created an array of integer values from 1 to 5 here. We also accessed the second value by using square brackets and its index in the order, which is 1. Let's say you want to slice a portion of this array and assign the slice to another variable. You can do it using colons and square brackets. The syntax looks like this:

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

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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.

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

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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:

https://stackoverflow.com/questions/3453085/what-is-double-colon-...

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What is :: (double colon) in Python when subscripting sequences?

In Python 3, your example range (N) [::step] produces a range object, not a list. To really see what is happening, you need to coerce the range to a list, np.array, etc. perhaps it would be useful to comment that this starts at 1 and then jumps every 2 (getting odd indices) [1::2].

https://www.geeksforgeeks.org/python-do-while/

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Python Do While Loops - GeeksforGeeks

Do while loop is a type of control looping statement that can run any statement until the condition statement becomes false specified in the loop. In do while loop the statement runs at least once no matter whether the condition is false or true. Syntax of do while loop: // statement or . // set of statements.

https://stackoverflow.com/questions/961344/what-does-the-percenta...

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What does the percentage sign mean in Python - Stack Overflow

In this case, it acts as the modulo operator, meaning when its arguments are numbers, it divides the first by the second and returns the remainder. 34 % 10 == 4 since 34 divided by 10 is three, with a remainder of four. If the first argument is a string, it formats it using the second argument.

https://learnpython.com/blog/python-operators-cheat-sheet/

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Python Operators Cheat Sheet - LearnPython.com

Python operators are special symbols or keywords used to perform specific operations. Depending on the operator, we can perform arithmetic calculations, assign values to variables, compare two or more values, use logical decision-making in our programs, and more.

http://python-reference.readthedocs.io/en/latest/docs/operators/s...

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-= Subtraction Assignment — Python Reference (The Right Way) 0.1 ...

Subtracts a value from the variable and assigns the result to that variable. A -= B. Any valid object. According to coercion rules. #TODO. Equivalent to A = A - B. #TODO. © Copyright 2015, Jakub Przywóski. Revision 9a3b94e7. Built with Sphinx using a theme provided by Read the Docs.

https://stackoverflow.com/questions/41446833/what-is-the-differen...

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python - What is the difference between i = i + 1 and i += 1 in a 'for ...

The difference is that one modifies the data-structure itself (in-place operation) b += 1 while the other just reassigns the variable a = a + 1. Just for completeness: If x doesn't implement an __iadd__ method then the x += y statement is just a shorthand for x = x + y. This would be the case if x was something like an int.

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