Emily Rosemary Collins

💡 Problem Formulation: Reversing a string is a common problem in the field of computer science and programming which involves taking a string input and producing a new string that arranges the characters of the original string in the opposite order. For example, if our input is “hello”, the desired output should be “olleh”. This … Read more

💡 Problem Formulation: You may encounter scenarios in programming where you have to process nested lists, which can vary in depth and complexity. The goal is to convert a nested list, such as [[1, 2], [3, [4, 5]], 6], into a flat list like [1, 2, 3, 4, 5, 6] using recursion in Python. This … Read more

💡 Problem Formulation: You are given a list in Python and your task is to find the length of this list. However, instead of using the built-in len() function, you will implement recursive functions to achieve this. Consider the input list [3, 1, 4, 1, 5, 9] and the desired output is 6. Method 1: … Read more

💡 Problem Formulation: In array rotation, elements of an array are moved by a number of positions in a particular direction. This article explores how to implement the reversal algorithm for rotating an array using Python. Given an input array, for instance [1, 2, 3, 4, 5, 6, 7], and a number of positions to … Read more

💡 Problem Formulation: We often encounter situations in mathematics and programming where we need to determine whether a given number is prime or not. A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. For example, inputting the number 7 should return that it is … Read more

💡 Problem Formulation: We often come across simple mathematical operations such as multiplication. In Python, a common task might be to multiply two numbers, but what if we approached this problem using recursion instead of the standard multiplication operator? The goal is to create a program that, given two integer inputs (e.g., 6 and 9), … Read more

💡 Problem Formulation: A Harshad number, or Niven number, is an integer that is divisible by the sum of its own digits when written in base 10. The challenge is to implement a Python program that takes a number as input and returns a boolean indicating whether it is a Harshad number. For instance, the … Read more

💡 Problem Formulation: Computing the factorial of a number is a common mathematical problem in computer science that can be posed simply: given a non-negative integer, return the product of all positive integers less than or equal to that number. For example, the factorial of 5 (5!) is 120 (i.e., 5 * 4 * 3 … Read more

💡 Problem Formulation: In Python programming, a common challenge is to convert a nested list, with multiple levels of sublists, into a single flattened list with all the elements in order. For example, given the input [[1, 2, [3]], 4], the desired output is [1, 2, 3, 4]. This article demonstrates five methods to achieve … Read more

💡 Problem Formulation: Calculating the sum of digits in a number is a common task in programming. Given an input number, for example 123, the desired output for the sum of its digits would be 6, as 1 + 2 + 3 = 6. This article explores five methods to accomplish this in Python without … Read more

💡 Problem Formulation: A Disarium Number is a number in which the sum of its digits powered with their respective positions is equal to the number itself. For instance, 175 is a Disarium number as 11 + 72 + 53 = 175. This article will explore multiple Python programming methods to check if a given … Read more

💡 Problem Formulation: We seek to find all “happy numbers” between 1 and 100 using Python programming. A happy number is defined as a number that eventually reaches 1 when replaced by the sum of the square of each digit. For instance, if we start with 19, the sequence is 1² + 9² = 82, … Read more