# 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:raiseInvalidAgeExceptionelse:print("Eligible to Vote")exc...
In this case, you can define a function that manages the discount and then use that function as the first argument to map(). Then you can use .items() to provide the iterable object: Python >>> fruits = {"apple": 0.40, "orange": 0.35, "banana": 0.25} >>> def apply_discount(...
In other programming languages, we can define a specific set of values. To define infinity, we can use float("inf") to define a positive infinite number and for a negative infinite number, we use float("-inf"). Now, we will look at how it works in Python. Suppose we have a value...
A Python function should always start with the def keyword, which stands for define. Then we have the name of the function (typically should be in lower snake case), followed by a pair of parenthesis() which may hold parameters of the function and a semicolon(:) at the end. ...
Customize the Text Box in Python Tkinter Tkinter provides several options to customize the appearance and behavior of the Text widget. Let’s explore some common customizations: 1. Text Box Font and Colors You can set the font family, size, and style of the text using thefontparameter. Additi...
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.
ReadHow to Create and Customize Listboxes in Python Tkinter? MY LATEST VIDEOS Step 1: Set Up the Tkinter Window First, let’s create a basic Tkinter window to host our search box. Here’s an example: import tkinter as tk window = tk.Tk() ...
How to declare an attribute in Python without a value - In this article, we will show you how to declare an attribute in python without a value. In Python, as well as in several other languages, there is a value that means no value. In Python, that value
Back to Guide Structure With the building blocks for our web app in place, we can now define a plotly-graph. The functiondcc.Graph()fromdash_core_componentsuses the samefigureargument as the plotly package. Dash translates every aspect of a plotly chart to a corresponding key-val...
Python is a high-level, interpreted programming language created by Guido van Rossum and first released in 1991. It is designed with an emphasis on code readability, and its syntax allows programmers to express concepts in fewer lines of code than would be possible in languages such as C++ or...