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The Python interpreter first reads the human code and optimizes it to some intermediate code before interpreting it into machine code. That's why you always need another program to run a Python script, unlike in C++ where you can run the compiled executable of your code directly.
Apr 9, 2024 · In methods to compiled languages like C or C++, where the source code is translated into machine code before execution, Python code is translated into intermediate code by the Python interpreter. Python is an Interpreted as well as Compiled language
Aug 10, 2023 · Python doesn’t convert its code into machine code, something that hardware can understand. It converts it into something called byte code. So within Python, compilation happens, but it’s just not in a machine language. It is into byte code (.pyc or .pyo) and this byte code can’t be understood by the CPU.
Jun 8, 2023 · Python’s approach of compiling to byte code and subsequent interpretation allows for efficient code execution and the convenience of not needing to manually compile the code before running it. While this process improves performance, Python is not as fast as languages that compile directly to machine code, like C or C++.
Two concepts might help us understand better why Python compiled to native machine code "may" not run as fast as compiled C or other commonly compiled languages. They are called early binding and late binding.
For this reason, Java is often called a compiled language, while Python is called an interpreted language. But both compile to bytecode, and then both execute the bytecode with a software implementation of a virtual machine. Another important Python feature is its interactive prompt.
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Jul 16, 2010 · Compiled language: Entire program is translated to machine code at once, then the machine code is run by the CPU. Interpreted language: Program is read line-by-line and as soon as a line is read the machine instructions for that line are executed by the CPU.