Some programming languages, called scripting languages, are executed without a direct compilation to machine code. These include JavaScript, Python, and Ruby. Code in these languages works by getting executed not directly by the CPU, but by an interpreter that must be installed in the machine that is running the code. Since the interpreter translates the code to the machine in real time, it usually runs much slower than compiled code. On the other hand, the programmer can always run the code immediately, without waiting through the compilation process. When a project is very big, compiling can
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