Q1. What are programming languages for? A1.To enable us to communicate with computers and perform tasks in a language that computers understand. Q2.How do we translate solutions to computer programs? what are the limitations? A2. using the programming languages, such as python. Time consumption is a limitation and the availability of algorithm. Q3. How many programming languages are there? what does this number tell you? A3. there are 256 programming languages out there. It shows how important programming languages are. SOURCE : https://dzone.com/articles/big-list-256-programming