In this article, I am going to explain the fundamentals of a Solidity source file structure. In a way, a rookie (like me and you) can understand the basics of Ethereum programming. First things first – the Solidity file that stores your code will have a .sol extension. Take action. In your favorite browser go … Read more
Problem Formulation 💬 Challenge: Given an integer n. How to create a list of n empty strings ” in Python? Here are three examples: Given n=0. Create list []. Given n=3. Create list [”, ”, ”]. Given n=5. Create list [”, ”, ”, ”, ”]. Method 1: List Multiplication You can create a list of … Read more
To create an empty list in Python, you can use two ways. First, the empty square bracket notation [] creates a new list object without any element in it. Second, the list() initializer method without an argument creates an empty list object too. Both approaches are shown in the following code: Next, you’ll learn many … Read more
On this page, I collect reviews from readers of The Book of Dash (NoStarch, 2022): Thanks for all your ❤️! “Perfect for any student of Data Science” “Just the book I’ve been looking for. This is the perfect next step for any Python student seeking to pivot into the Data Science niche. Easy to follow, … Read more
This is a compilation of my series on forex trading with Python. I’ll give you a link to each tutorial and a video overview, so you can keep this page open as you progress through the course. Let’s get started! Lesson 1 – Getting Started with Python and Forex What is Forex? Forex is short … Read more
Trends are powerful forces that can take time to reverse, and this is where a lot of traders get into trouble – that, and getting on the trend too late are both deadly scenarios. In this lesson, we will look at ways to avoid the traps that most beginners fall for. Python Resources for Beginners … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to write integers to a file in Python. To make it more fun, we have the following running scenario: MediTech, a pharmaceutical manufacturing company, is seeking the best way to save its drug test results. They have contacted you to provide possible solutions. Integers … Read more
Problem Formulation Input: You have some data in a CSV file stored in ‘my_file.csv’ where the first row is the header and the remaining rows are values associated to the column names in the header. Name,Job,Age,Income Alice,Programmer,23,110000 Bob,Executive,34,90000 Carl,Sales,45,50000 Desired Output: You want to store the data in an XML file ‘my_file.xml’ so that each … Read more
In Python, the numpy.argsort() function returns the indices that would sort an array in ascending order. Here is the argument table of the numpy.argsort() function. If it sounds great to you, please continue reading, and you will fully understand the numpy.argsort() function through Python code snippets and vivid visualization. This tutorial is about numpy.argsort() function. … Read more
Summary: Python’s newline character \n indicates the end of a line of text. The built-in print() function automatically adds a newline character \n at the end. You can customize this behavior of separating two lines using a single newline character ‘\n’ by changing the default end=’\n’ argument of the print() function to your desired string. … Read more
Do you want to run your Python 3 script online? These are the 10 best Python compilers online: #1 – Repl.it Online Python 3 Compiler 🌍 Link: https://repl.it/languages/python3 #2 – Programiz Online Python 3 Compiler 🌍 Link: https://www.programiz.com/python-programming/online-compiler/ #3 – OnlineGDB Python 3 Compiler 🌍 Link: https://www.onlinegdb.com/online_python_compiler #4 – Online-Python.com Compiler 🌍 Link: https://www.online-python.com/ #5 … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to extend a Dictionary in Python. To make it more fun, we have the following running scenario: Weddings-911, an Event Planner start-up, has just booked three (3) new clients and is hoping for many more! This data is saved to the Dictionary weddings. Beth, … Read more