Skipping every other element after the first - Stack Overflow
I need to implement a function that returns a list containing every other element of the source list, starting with the first element. Thus far, I have this and I am not sure how to do from here: b = …
How to create alternating series with happening every two terms
I'm looking for a technique for creating alternating negatives and positives in a series. Specifically: when n=1, the answer is +, n=2 is +, n=3 is -, n=4 is -... etc. I have every other part of the …
python - Printing every 10th result in an alternating ± series
Dec 10, 2018 · Further on, you can use itertools.accumulate and itertools.islice to take the cumulative sum and select every 10th number. numbers = (int((-1) ** (i-1) * i) for i in …
pandas.Series — pandas 2.2.3 documentation
Round each value in a Series to the given number of decimals. rpow (other[, level, fill_value, axis]) Return Exponential power of series and other, element-wise (binary operator rpow). rsub …
How to generate progressive number series | LabEx
The simplest way to generate a number series in Python is using the range() function: ## Basic range generation simple_series = list(range(1, 11)) ## Generates [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] …
Create Pandas Series using NumPy functions - GeeksforGeeks
May 5, 2025 · A Pandas Series is like a one-dimensional array which can store numbers, text or other types of data. NumPy has built-in functions that generate sequences, random values or …
How can I get an array of alternating values in python?
May 27, 2012 · If you just want to alternate between positive and negative: [(-1)**i for i in range(n)] or for a more general solution. nums = [1, -1, 2] [nums[i % len(nums)] for i in range(n)]
Python Program for Print Number series without using any loop
Apr 23, 2023 · Getting even numbers from a list in Python allows you to filter out all numbers that are divisible by 2. For example, given the list a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10], you might want to …
Understanding Python Range: A Deep Dive into range() and its ...
In Python 2, there are two functions for generating sequences of numbers: range() and xrange(). The key difference is that xrange() returns an iterator, which means it generates numbers on …
Python pandas add absolute one to positive/negative numbers in a series ...
Jun 5, 2020 · I've got a series of positive and negative numbers and want to increase the absolute value of every number by one, while still keeping them positive/negative. 0.2 -> 1.2 -0.3 -> -1.3 …