Kat McKelvieProblem Formulation and Solution Overview This article will show you how to use the Pillow Library in Python to modify and manipulate images. To make it more interesting, we have the following running scenario: Creative Prints is an online store accepting images from Photographers wishing to sell their art. The Manager would like you to … Read more
Problem Formulation and Solution Overview This article will show you how to suppress warning messages in Python scripts. Warning messages in Python are commonly used to notify the coder of a potential issue with their script. Warnings can inform the coder about any outdated or obsolete elements. An example would be if a plugin or … Read more
Problem Formulation and Solution Overview This article will show you how to delete variables and objects from memory using the del or None keywords. The Python language has several built-in reserved words having specific meanings called keywords. These keywords are reserved for Python and can not be used anywhere else. For example, declaring a variable, … Read more
Problem Formulation and Solution Overview This article will show you how to find DataFrame row indices in Python with NaN or Null (empty) values. To make it more interesting, we have the following scenario: Rivers Clothing has given you a CSV file that requires a clean-up to make it usable for Payroll and Data Analysis. … Read more
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
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
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
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
Problem Formulation and Solution Overview In this article, you’ll learn how to iterate over a 1D, 2D and 3D NumPy array using Python. When working with the NumPy library, you will encounter situations where you will need to iterate through a 1D, 2D and even a 3D array. This article will show you how to … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to check the Data Types of a Pandas Series. A Series is a 1D (one-dimensional) array. This Series can be of various data types, such as an integer, a string, a float or even an object! A good practice is to ensure, before performing … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to sort words alphabetically in Python. To make it more fun, we have the following running scenario: Some English sayings, also known as Tongue-Twisters, are fun to try and say quickly. They are also used to improve non-English speaking individuals and small children’s fluency … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to convert Epoch Time to a Date Time representation using Python. On January 1st, 1970, Epoch Time, aka Time 0 for UNIX systems, started as a date in history to remember. This date is relevant, not only due to this event but because it … Read more