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Programming and Computer Science Guides for Beginners
The ideas every developer relies on, whatever language they write: how programs are structured, how data is stored, and how software is built and fixed.
What is programming?
Programming is writing precise instructions, called code, that a computer can run to solve a problem. Every language shares the same building blocks: variables that hold data, conditions that make decisions, loops that repeat work and functions that package reusable steps. Computer science adds the theory behind them, such as data structures, algorithms and how to reason about efficiency.