Core Python Data Types, String Manipulation, and Foundational Exercises

The in and not in Membership Operators These operators verify weather a substring or element exists within a sequence. in returns True when the target is found, while not in returns True when the target is absent. username = "alexander" if "alex" in username: print('Substring located') else: print('Substring missing' ...

Posted on Sun, 13 Sep 2026 16:06:09 +0000 by Unholy Prayer

Practical SQL Workshop: Joins, Functions, and Data Operations

Module 2: Table Joins and Linking1. Retrieve the name and salary of staff members working in Luton.SELECT s.name, s.base_salary FROM staff AS s INNER JOIN location_data AS l ON s.dept_id = l.dept_id WHERE l.city = 'LUTON'; 2. Combine the location_data table with the staff table and display the results sorted by department ID.SELECT l.dept_label ...

Posted on Sun, 30 Aug 2026 16:21:07 +0000 by briguy9872

Java Programming Exercises: Basic Logic and Algorithms

1. Create a program that maps input numbers 1-7 to corresponding days of the week.package com.examples.core;<br><br>import java.util.Scanner;<br><br>public class DayMapper {<br> public static void main(String[] args) {<br> Scanner scanner = new Scanner(System.in);<br> System.out.println ...

Posted on Wed, 03 Jun 2026 16:40:27 +0000 by kettle_drum

Basic C Programming Exercises

Task 1: ASCII Art Stick Figure Print a stick figure vertically: #include <stdio.h> int main() { printf(" O \n"); printf("/|\\\n"); printf(" | \n"); return 0; } Print two stick figures vertically: #include <stdio.h> int main() { printf(" O \n"); printf("/|\\\n&qu ...

Posted on Wed, 20 May 2026 07:47:21 +0000 by OldWolf

Practical Exercises on Recursion and Iteration in C Programming

Printing Individual Digits of an Integer The following recursive function separates and prints each digit of an unsigned integer. #include <stdio.h> void displayDigits(unsigned int num) { if (num > 9) { displayDigits(num / 10); } printf("%u ", num % 10); } int main() { unsigned int value = 0; ...

Posted on Tue, 19 May 2026 07:47:50 +0000 by CarbonCopy

C Programming (5th Edition) - Chapter 4 Exercises

4.1 What are arithmetic operations? What are relational operations? What are logical operations? Arithmetic operations: Operations such as addition, subtraction, mutliplication, division, and modulus on numbers. Relational operations: Comparisons between two operands to determine relationships like equality, inequality, greater than, etc. Logi ...

Posted on Tue, 12 May 2026 20:49:01 +0000 by kanchan