Summary: In this tutorial, we will learn to update a table in MySQL using the UPDATE TABLE statement. Introduction to MySQL UPDATE statement The UPDATE statement in MySQL updates existing…
Summary: In this tutorial, we will learn the significance of the -> (arrow annotation) in Python programming language. The -> in Python is one of the function annotations that was…
Summary: In this tutorial, we will learn to convert a python dictionary into JSON and vice versa. JSON JSON (JavaScript Object Notation) is a lightweight format to interchange data. It…
Everything in Python is an object, even a function or a method. Hence, like variables, Python allows passing functions and methods as arguments. To pass a function as an argument…
Summary: In this tutorial, we will learn to decorate a class in Python using the function and class decorator. A decorator in Python is any callable object that modifies existing…
Comments in Python improve the readability of the program, it explains the code in a language that is easy to understand whereas docstrings describe what the code does, it does…
Summary: In this tutorial, we will learn what is sys.argv in Python, what are its significances and how can we use it in our Python program. Most of the time…
Summary: In this tutorial, we will learn different ways to append values to an existing key in a dictionary in Python. Sometimes, we may need to add more values to…
Summary: In this tutorial, we will learn 3 different ways to add new keys to an existing dictionary in Python. There are 3 easy ways to add new key and…
Summary: In this tutorial, we will discover different ways to iterate through a normal, nested, and list of dictionaries in Python. The dictionary is one of the data structures that…
