Problem Formulation and Solution Overview In this article, you’ll learn how to get the first Key and Value from a key:value pair in a Python Dictionary. A Dictionary in Python is used to store information in a key:value pair format. These pairs are modifiable and do not allow duplicates. 💡 Note: In theory, the dictionary … Read more
[😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁] 100% Problem Formulation and Solution Overview In this article, you’ll learn how to configure and display a progress bar. A progress bar is commonly used in Python or, for that matter, any other programming language to show the user an application’s progress. For example, an installation, a transferring of files, or any other commands. … Read more
How to write a NumPy array to a CSV file in Python? To write a NumPy array to a CSV file, use the np.savetxt() function and pass the filename as a string, as well as the array into it. Optionally, you can specific the file format, the delimiter such as comma or semicolon, and other … Read more
💬 Question: How to convert a list of custom objects to a csv file? Example: Given is a list of custom objects of, say, type Employee that holds the name, job description, and income like so: Your goal is to write the content of the list of objects into a comma-separated-values (CSV) file format. Your … Read more
This tutorial gives you a simple introduction to Python’s NumPy library. You don’t need any prerequisites to follow the tutorial. My goal was to give a practical and fun NumPy introduction for absolute beginners with many examples. 💡 By reading through this tutorial, you will gain a basic understanding of the most important NumPy functionality. … Read more
Are you interested in Python but you don’t know which Python library is most attractive from a career point of view? Well, you should focus on the library you’re most excited about. But if you’re generally open because you have multiple passions, it would be reasonable to also consider annual and hourly income. These are … Read more
In this article, we will cover some of the ways to clean up your data and make it easier to read and access using the built-in Python pprint module. Remember, your machine is very efficient with your data, but it doesn’t care how that data appears to the human eye. So let’s learn how to … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to convert a List of Booleans to Integers. In Python, the Boolean is a built-in data type. These values represent True (1) or False (0). Also referred to as Truthy or Falsy values. In this article, we will articulate how these values behave. To … Read more
Problem Formulation Given a Python string: 💬 Question: How to convert the string to a CSV file in Python? The desired output is the CSV file: ‘my_file.csv’: a,b,c 1,2,3 9,8,7 Simple Vanilla Python Solution To convert a multi-line string with comma-separated values to a CSV file in Python, simply write the string in a file … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to find all matches in a string using regex. The Regular Expression, also referred to as regex, is a complex pattern to search for and locate matching character(s) within a string. At first, this concept may seem daunting, but with practice, regex will improve … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to replace whitespaces with underscores in Python. To make it more fun, we have the following running scenario: Bryan, an IT Instructor, has given his students a Python coding challenge: Take a famous quote and replace all whitespaces with underscores in four (4) ways: … Read more
If you’re short on time, the simple solution is to run the following command in your shell/terminal/CMD/PowerShell to check the version of library xxx: But many more interesting ways to check package versions may be useful for you! The following table refers to a list of articles to help you check the package/library/module version installed … Read more