ChrisSummary: The slice notation list[::-1] with default start and stop indices and negative step size -1 reverses a given list. Problem: Given a list of elements. How to reverse the order of the elements in the list. Example: Say, you’ve got the following list: Your goal is to reverse the elements to obtain the following … Read more
To remove duplicates from a Python list while preserving the order of the elements, use the code list(dict.fromkeys(list)) that goes through two phases: (1) Convert the list to a dict using the dict.fromkeys() function with the list elements as keys and None as dict values. (2) Convert the dictionary back to a list using the … Read more
Can you become a highly successful freelance developer working from the comfort of your home—without having any experience? Most freelance developers don’t have any experience when they get started on freelancing platforms such as Upwork or Fiverr. You can succeed by following the three simple steps: (1) get your first gig, (2) learn what’s needed, … Read more
What is the net worth of a freelance developer? In this article, you’ll learn the expected net worth of a freelance developer as a rough estimate. Definition net worth: Net worth is the value the assets a person or corporation owns, minus the liabilities they owe. It is an important metric to gauge a company’s … Read more
Problem: Given a list. How to access the last element of this list? Example: You have the list [‘Alice’, ‘Bob’, ‘Liz’] and you want to get the last element ‘Liz’. Quick solution: Use negative indexing -1. To access the last element of a Python list, use the indexing notation list[-1] with negative index -1 which … Read more
Problem: If you assign a list object to a new variable using new_list = old_list, any modification to new_list changes old_list. What’s the reason for this and how can you clone or copy the list to prevent this problem? Example: Let’s consider the following example. Appending an element to the new_list also modifies the original … Read more
This article is an excerpt of my detailed tutorial “The Complete Guide to Freelance Developing” on this FINXTER blog. We’ll answer the following question: What skills do you need to succeed as a freelance developer? Teaching many freelancing students, I have come to learn that most don’t believe they have all the skills they need … Read more
This short article is based on the ultimate guide to freelance developing on the Finxter blog. You’ll first learn about the definition of freelancing. Then, I’ll show you how you can evaluate whether the freelance developing niche is attractive for you and whether you can expect it to grow over time. So, let’s get started, … Read more
There’s a reason why programmers, software developers, and hackers never seem to go out of vogue: Leverage. A skilled programmer may spend a year writing software which, in turn, automates the jobs performed by thousands of workers. Soon will a program for automated driving destroy billions of today’s and tomorrow’s jobs in the logistics sector. … Read more
Do you want to work from home and earn a healthy living as a freelance developer? There never has been a better time! Freelance Developers make $51 per hour, on average, in the US. This complete guide to freelance development is a running document in which I share all my experiences from working as a … Read more
This is a running document in which I’ll answer all questions regarding the single line of Python code. It’s based on my interactive collection here but without the slow videos and embedded code shells. Let’s get started! Python One Line If Else You can use a simple if statement in a single line of code. … Read more
Python’s dictionary data structure is one of the most powerful, most underutilized data structures in Python. Why? Because checking membership is more efficient for dictionaries than for lists, while accessing elements is easier for dictionaries than for sets. In this tutorial, you’ll learn how to perform four common dictionary operations in one line of Python … Read more