Problem Formulation and Solution Overview In this article, you’ll learn how to print a string and an integer together in Python. To make it more fun, we have the following running scenario: The Finxter Academy has decided to send its users an encouraging message using their First Name (a String) and Problems Solved (an Integer). … Read more
Use Python’s built-in min() function with a key argument to find the shortest string in a list. Call min(lst, key=len) to return the shortest string in lst using the built-in len() function to associate the weight of each string—the shortest string will be the minimum. Problem Formulation Given a Python list of strings. Find the … Read more
Problem Formulation and Solution Overview This article will show you how to convert a single Integer into a List in Python. Python has several built-in Data Type Structures: one of them being a List. The List Data Structure is made up of square brackets ([]) containing elements separated by a comma (,). These elements can … Read more
Use Python’s built-in max() function with a key argument to find the longest string in a list. Call max(lst, key=len) to return the longest string in lst using the built-in len() function to associate the weight of each string—the longest string will be the maximum. Problem Formulation Given a Python list of strings. Find the … Read more
This article will answer some basic questions on Ethereum Classic. Its main purpose is to give you a quick overview of the project. I’m not affiliated in any way with Ethereum Classic, so I try to be as unbiased as I can. What is Ethereum Classic? Ethereum Classic is an open-source proof-of-work blockchain and distributed … Read more
Problem Formulation Given the following DataFrame df: 💬 Challenge: How to apply a function f to each cell in the DataFrame? For example, you may want to apply a function that replaces all odd values with the value ‘odd’. Solution: DataFrame applymap() The Pandas DataFrame df.applymap() method returns a new DataFrame where the function f … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to ignore (upper/lower/title) case characters when dealing with Strings in Python. The main reason for ignoring the case of a String is to perform accurate String comparisons or to return accurate search results. For example, the following three (3) Strings are not identical. If … Read more
You can scroll through the presentation as you watch the video here: In this article, we’ll hold the depth from the last article regarding the Ethereum Virtual Machine through topics such as message calls and special variants of calls, logs, callcode/delegatecall, libraries, logs, special operations for smart contract code creation/removal, and finally, precompiled contracts. This … Read more
You can scroll through the presentation as you watch the video here: In this article, we will dive even deeper into the Ethereum Virtual Machine through topics of the memory hierarchy and instruction set. Our topics are getting increasingly more in-depth than the ones we touched on so far, but learning about them will be … Read more
Given an HTML table (code) in a file or at a given URL. First, load all HTML tables into the Python script by calling Pandas’ pd.read_html() passing the URL of the HTML document. The result is a list of DataFrames, one per HTML table in the document. Second, convert any specific DataFrame to a CSV … Read more
The Pandas read_html() function is an easy way to convert an HTML table (e.g., stored at a given URL) to a Pandas DataFrame. You pass a location string or path to it and it returns a list of DataFrames, each representing one table from the location path or URL. The following code, for example, reads … Read more
Problem Formulation and Solution Overview This article will show you how to access and retrieve tuple Elements from a List of Tuples in Python. 💡 Definition: Python Tuples are a type of Data Structure similar to Lists. However, Tuples are enclosed in round brackets () and are immutable, whereas Lists are enclosed in square brackets … Read more