Problem Formulation and Solution Overview In this article, you’ll learn how to create a Dictionary from two (2) Lists in Python. To make it more fun, we have the following running scenario: Biogenix, a Lab Supplies company, needs to determine the best element from the Periodic Table for producing a new product. They have two … Read more
You have a tuple of integers—but you want a single integer. What can you do? Problem Formulation and Solution Overview Given a tuple of values. Goal: Convert the tuple to a single integer value. If you simply pass a tuple t into the int(t) built-in function, Python will raise a TypeError: int() argument must be … Read more
Let’s start this article with a quick question to understand your understanding of strings. 💬 Question: Can the string objects be modified in Python? What do you think? Well, the fact is String objects are immutable. They cannot be modified. Consider the below example : Output: Now you might say, replacement operations and insertion operations … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to create a list containing the alphabet in Python. To make it more fun, we have the following running scenario: Ms. Smith, a Grade 2 teacher at Oakwood Public School, wants to strengthen her student’s Alphabet skills and needs your help. She would like … Read more
This article shows you how to calculate the standard deviation of a given list of numerical values in Python. Definition and Problem Formulation The standard deviation is defined as the square root of the variance. In case you’ve attended your last statistics course a few years ago, let’s quickly recap the definition of variance: variance … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to create a sequence of numbers in Python. To make it more fun, we have the following running scenario: Lux Lottery has decided to create a new Quick-Pick game called Lux-150. This game is based on seven (7) random numbers between 1 and 150 … Read more
The most Pythonic way to convert a list of integers ints to a list of strings is to use the one-liner strings = [str(x) for x in ints]. It iterates over all elements in the list ints using list comprehension and converts each list element x to a string using the str(x) constructor. This article … Read more
Words carry meaning and meaning is important in computer science. If you asked the question, your words can carry either of the two meanings. In other words, there are two ways to read this question: How to remove an element from a list in Python? How to remove an element from a NumPy array in … Read more
A Python list is a collection of objects that are indexed, ordered, and mutable. There are several different ways to delete a list item. We’ll first look at how we can delete single items from a list. And then finish with removing multiple objects. Method 1 – remove() Python list.remove() is a built-in list method … Read more
In today’s article, let’s discuss one of the most asked interview questions: How to find the most common elements of the list in Python? Although this might sound like a simple question, the approach we use to answer this question gives the interviewer an idea of our knowledge and expertise in Python. Understanding the Challenge … Read more
Problem Formulation Given a Python list and an element (value). How to remove the element (value) from the given list? Here’s an example of what you want to accomplish: Given: List [1, 2, 99, 4, 99] Element 99 Return: List [1, 2, 4, 99] An alternative would return the list with the element (value) 99 … Read more
[toc] Problem Statement: How to get unique values from a list in Python? While working with lists, quite often, there are many duplicate items present in it. There can be situations where you may need to eliminate these duplicate values and retain unique values within the list. So, how do we achieve this feat? Hence, … Read more