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Programming Like a Pro for Teens by Charles R. Hardnett

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Introduction

Hello, world! I like using this greeting for my books about computer programming. It’s tradition in computer programming to introduce a programming language by writing a Hello World program. The program simply outputs the words Hello World. A website is devoted to storing the Hello World programs for programming languages, located at www.roesler-ac.de/wolfram/hello.htm.

There are many programming languages in the world; the aforementioned website boasts that it has more than 400 languages represented as Hello World programs, and that number is rising. An organization called ACM History of Programming Languages (HOPL) hosts conferences and produces journals for anyone interested in studying the history and genealogy of programming languages. ...

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