which compiler is used in python
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title: understanding python compilers: a comprehensive guide
python is an interpreted language, which means that the source code is executed directly without the need for compilation into machine code. however, python code undergoes a compilation process before it is executed. in this tutorial, we'll explore the compilation process in python and understand which compiler is used.
source code: you start with python source code, which is typically written in .py files.
tokenization: the first step in the compilation process is tokenization, where the source code is broken down into a sequence of tokens. tokens are the smallest units of a program, such as keywords, operators, and identifiers.
parsing: the tokens are then parsed into a data structure known as the abstract syntax tree (ast). the ast represents the grammatical structure of the source code.
intermediate code generation: the parsed ast is converted into an intermediate code. this step is important for optimization and platform independence.
bytecode compilation: the intermediate code is then translated into bytecode. bytecode is a low-level representation of the source code that is platform-independent. this bytecode is stored in .pyc files.
execution: the python virtual machine (pvm) executes the bytecode. the pvm is responsible for interpreting the bytecode and executing the corresponding operations.
python uses a compiler known as the cpython compiler. cpython is the default and most widely used implementation of the python programming language. it is written in c and is the reference implementation.
now, let's look at a simple python code example and see the compilation in action.
open a terminal or command prompt.
navigate to the directory containing the hello.py file.
run the following command to generate the bytecode:
this will create a _pycache_ directory containing a hello.cpython-version-platform.pyc file.
now, execute the compiled bytecode using the following command:
replace version and ...
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