Namespace are everywhere in Python whether you realize it or not. If you don’t know about Python namespaces, you’ll eventually introduce nasty bugs into your Python code. Let’s fix this once and for all! 🙂 As you read over the article, you can watch my explainer video: Why Namespaces? In many classes with 30+ students, … Read more
[toc] Company Tag: Google Problem Formulation We define the usage of capitals in a word to be right when one of the following cases holds: Rule 1: All letters in this word are capitals, like “USA”. Rule 2: All letters in this word are not capitals, like “welcome”. Rule 3: Only the first letter in … Read more
Syntax object.__divmod__(self, other) The Python __divmod__() method implements the built-in divmod operation. So, when you call divmod(a, b), Python attempts to call x.__divmod__(y). If the method is not implemented, Python first attempts to call __rdivmod__ on the right operand and if this isn’t implemented either, it raises a TypeError. We call this a “Dunder Method” … Read more
Syntax object.__mod__(self, other) The Python __mod__() method implements the modulo operation % that per default returns the remainder of dividing the left by the right operand. Internally, Python attempts to call x.__mod__(y) to implement the modulo operation x%y. If the method is not implemented, Python first attempts to call __rmod__ on the right operand and … Read more
There are various ways to skip the first entry in Python loops. But, first, you will need to determine which example best meets your coding needs. Skip First Entry using Slicing Python offers a unique feature, slicing. This feature enables the coder to quickly access various data types, such as lists, tuples, and strings. This … Read more
What is LARS regression? Regression is the analysis of how a variable (the outcome variable) depends on the evolution of other variables (explanatory variables). In regression, we are looking for the answer to the question of what is the function that can be used to predict the value of another variable Y by knowing the … Read more
[toc] Company Tags: Google, Adobe, Apple, Bloomberg, Microsoft Problem Description Given the array nums consisting of 2n elements in the form [x1, x2,…,xn, y1, y2,…, yn]. Return the array in the form [x1, y1, x2, y2,…, xn, yn]. Constraints: 1 <= n <= 500 nums.length == 2n 1 <= nums[i] <= 10^3 Examples Let’s have … Read more
Syntax object.__floordiv__(self, other) The Python __floordiv__() method implements the integer division operation // called floor division—as opposed to the true division operation /. For example to evaluate the expression x // y, Python attempts to call x.__floordiv__(y). If the method is not implemented, Python first attempts to call __rfloordiv__ on the right operand and if … Read more
One of the finest open-source browser automation tools recognized in today’s world is selenium and the “Select” class of selenium WebDriver enables us to handle the dropdown menu smoothly. Today, we will try to figure out all the intricacies of the “Select” class practically. Purpose of the Select Class The “Select” class in selenium allows … Read more
Modern web pages are fitted with so many functionalities. Buttons are one of the fundamental components of them. Selenium Python API bindings allow us to access the Selenium WebDrivers to click a button automatically. In this article, we will follow step by step approach to click on buttons. Setting Up the Environment We need to … Read more
[toc] Company tags: Google, Capital One Problem Formulation You are given a license key represented as a string s that consists of only alphanumeric characters and dashes. The string is separated into n + 1 groups by n dashes. You are also given an integer k. We want to reformat the string s such that … Read more