About two decades ago The MIT Media lab introduced the concept of block-based programming. The idea was to develop an interface that allowed computer programs to be built by simply dragging and dropping puzzle blocks to represent complex programming constructs and commands. With this new method for teaching and learning computer science, the hugely popular Scratch platform was born. This approach lowered the bar for experimenting with programmatic thinking, making it possible for students to create interactive animations and small games without writing a single line of code. This simple concept removed the need to learn the syntax of a formal programming language, and made teaching and learning the basics of computer science accessible to younger learners and to teachers with no formal coding background.
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