Example: Python User-Defined Exception # define Python user-defined exceptionsclassInvalidAgeException(Exception):"Raised when the input value is less than 18"pass# you need to guess this numbernumber =18try: input_num = int(input("Enter a number: "))ifinput_num < number:raiseInvalidAgeExcep...
In this tutorial, you'll learn how to remove or replace a string or substring. You'll go from the basic string method .replace() all the way up to a multi-layer regex pattern using the sub() function from Python's re module.
Discover how to learn Python in 2025, its applications, and the demand for Python skills. Start your Python journey today with our comprehensive guide.
How to Define a Function: User-Defined Functions (UDFs) The four steps to defining a function in Python are the following: Use the keyword def to declare the function and follow this up with the function name. Add parameters to the function: they should be within the parentheses of the fu...
Learn how to build a robust blockchain from scratch using Python. Explore blockchain fundamentals, consensus algorithms, and smart contracts through this blog.
Although using loops when writing Python code isn’t necessarily a bad design pattern, using extraneous loops can be inefficient and costly. Let’s explore some tools that can help us eliminate the…
Thread pools solve the problem of uncontrolled thread creation. Instead of submitting each task to a separate thread, we submit tasks to a queue and let a group of threads, called athread pool, take and process the tasks from the queue. We predefine the maximum number of threads in a thre...
It’s important to realize that a Django field class is not what is stored in your model attributes. The model attributes contain normal Python objects. The field classes you define in a model are actually stored in theMetaclass when the model class is created (the precise details of how th...
This Python Array tutorial explains what is an Array in Python, its syntax, how to perform various operations like sort, traverse, delete etc
How can i define the ConcurrentQueue size ? how can I delete a button How can I detect an .exe version number? How can I detect the encoding of a text file using a stream reader? How can I determine if a file is binary or text in c#? How can I digitally sign my C# application ...