//Paul A. Gagniuc. An Introduction to Programming Languages: Simultaneous Learning in Multiple Coding Environments. Synthesis Lectures on Computer Science. Springer International Publishing, 2023, pp. 1-280. //Additional algorithm 1. It shows the “Hello world” example for all computer languages used in this work. This is intended as a positive first introduction. Note that the source code is in context and works with copy/paste. #include using namespace std; int main() { cout<<"Hello World"; return 0; }