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 this …
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 a …
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 each …
Introduction Today we can see 2D arrays used everywhere. As simple examples – chessboard, eggs arranged in a rectangular egg-holder are 2D arrays. In the world of computers, we use 2D arrays everywhere. 2D arrays are used in Image processing, Surveys, Speech Processing, Geoscience, Tables, Databases, Graphs, etc. What is a Dimension in an array? …
How To Create a Two Dimensional Array in Python? Read More »
Introduction In general, encoding means using a specific code for the letters, symbols, and numbers. Numerous encoding standards that are used for encoding a Unicode character. The most common ones are utf-8, utf-16, ISO-8859-1, latin, etc. For example, the character $ corresponds to U+0024 in utf-8 standard and the same corresponds to U+0024 in UTF-16 …
How to Fix UnicodeDecodeError when Reading CSV file in Pandas with Python? Read More »
Learn how to solve the climbing staircase problem in this article:
(i) Recursively
(ii) Iteratively
Generally, logging is an extremely valuable tool in a software developer’s toolbox. Logging helps to assist you with the flow of a program and find situations that you probably would not have considered while coding. By logging useful data and information, you can troubleshoot the errors effectively as well as utilize the information to examine …
How to Log a Python Error with Debug Information? Read More »
Company tags: Apple, Amazon, Bloomberg, Facebook, Microsoft, Oracle This is one of the most commonly occurred questions in numerous interviews and you should be absolutely ready to solve this question in a flash as soon as you see this in your interview. Hence, let’s dive into the problem and solution to this interview question. Problem …
[Interview Question] How to Check a Valid Palindrome? Read More »
This article guides you on how to free memory space explicitly in Python.
🎓 Learn how to work with modules and packages in Python.
What is a directory?A directory is a unit organizational structure used to store a collection of programs and subdirectories. Sometimes as a coder you have to deal with the countless number files within different directories. Hence, it becomes reasonable to organize these files within directories. In this article, we are going to look at the …
How Do I List All Files of a Directory in Python? Read More »
Learn – How to Solve The Maximum Product Subarray Problem in Python?