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💡 Problem Formulation: In this article, we tackle the challenge of writing Python code to identify the common characters between two strings and output them in alphabetical order. For instance, given the strings “bicycle” and “cycle”, the desired output would be “ce”. Method 1: Using Set Intersection and Sorted Function This method involves converting both … Read more

💡 Problem Formulation: The objective is to reorder the characters in a string such that all spaces are moved to the beginning (front) of the string in a single pass. For instance, if the input is “move spaces to front”, the desired output would be ” movespacestofront”. This means the non-space characters should remain in … Read more

💡 Problem Formulation: The problem at hand is to rotate a String in Python – that is, shifting the characters by a certain number of positions. For example, rotating the string ‘HelloWorld’ by two positions to the left would result in the string ‘lloWorldHe’. Method 1: The Naive Approach In this method, we simply slice … Read more

💡 Problem Formulation: Duplicate words within a sentence can often detract from the clarity and conciseness of the message. This article delves into Python solutions for removing all instances of duplicate words from a given sentence. For example, the input “Python is great and Python is fun” should yield an output of “Python is great … Read more

💡 Problem Formulation: Creating a 3-dimensional (3D) list in Python can be akin to creating a multi-layered container for data. It’s like having a list, within a list, within another list. For instance, if we have input dimensions x, y, z, we are looking to construct a list where list[x][y][z] points to a distinct value, … Read more

💡 Problem Formulation: This article addresses the challenge of computing a somewhat complex mathematical expression in Python: the calculation of nplusnmplusnmm repeated plusn m times. Specifically, we will focus on creating a Python program to calculate this expression given integer inputs for n and m. For example, if n=2 and m=3, the expected output would … Read more

💡 Problem Formulation: Determining one’s astrological sign can connect a person to a broader understanding of their characteristics according to astrological beliefs. This article aims to explore various Python programming methods to calculate and display someone’s zodiac sign based on their date of birth. To illustrate, someone born on April 20 would input their birthdate … Read more

💡 Problem Formulation: We need to write a Python program that can determine whether the two halves of a given string contain the same set of characters. For instance, the string “abccba” should return true because both halves “abc” have the same characters, regardless of order. Method 1: Using Set and Slice This method involves … Read more

💡 Problem Formulation: You are given a binary matrix (a 2D list) where each row contains zeros and ones. The challenge is to write a Python program using the map function to identify the row that has the maximum number of one’s (1s). For instance, given a matrix [[0,1,1], [1,1,1], [0,0,1]], the desired output is … Read more

💡 Problem Formulation: The challenge is to analyze images and detect emotions of the faces within them using Python and the Microsoft Emotion API. As an input, we have an image containing human faces, and the desired output is a list of identified emotions per face, such as happiness, sadness, surprise, etc. Method 1: Using … Read more

💡 Problem Formulation: You need a program to verify whether all elements in a Python list are greater than a specified value. For instance, given the list [10, 15, 20, 25, 30] and a threshold value of 5, the desired output is True since all elements exceed that threshold. Method 1: Using a For Loop … Read more

💡 Problem Formulation: Tokenizing text is the process of breaking down a text paragraph into smaller chunks, such as words or sentences. This is a fundamental task in Natural Language Processing (NLP) that prepares text for deeper analysis and understanding. For example, the input “NLTK is awesome!” would be tokenized into the output [“NLTK”, “is”, … Read more