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  • Writer's pictureMayuri Kale

Python Interpreter and How does a it Work ?




Python Interpreter


An interpreter takes the code you write and executes (runs) whatever behaviour you specified, creates the variables you created, and does a lot of before-the- scenes work to assure it runs easily or tells you about wrongdoings.

Python is called an interpreted language because it goes through an interpreter, which turns code you write into the language judged by your computer’s processor. Later on when you work on an arrangement on your own computer, you'll download and apply the Python interpreter to be suitable to write Python code and implement it on your own!


How does a Python Interpreter Work ?

i. Lexing-The lexer breaks the line of code into commemoratives.

ii. Parsing-The parser uses these tokens to induce a structure, then, an Abstract Syntax Tree, to portray the linkage between these tokens.

iii. Collecting-The compiler turns this AST into code object (s).

iv. Interpreting-The interpreter executes each code object.

Python is an object acquainted programming language. Python is also called an interpreted language.


Python performs three other ways: lexing, parsing, and collecting.

Together, these ways make over the source code from lines of textbook into structured code.

objects containing instructions that the practitioner can understand.

(When you write Python, the lexer, parser, and compiler induce code objects for the interpreter to operate on it .


Each code object contains a set of instructions to be executed — that’s the bytecode.

Bytecode is an intermediate representation of Python law)

The practitioner’s job is to take these code objects and follow the instructions. The Python interpreter is a virtual machine.


Advantages of interpreted languages


Interpreted languages are more changeable, and again and again give features like dynamic typing and lesser program sizes. Also, because interpreters implement the source program code themselves, the code itself is platform independent.


Disadvantages of interpreted languages


The biggest drawback of interpreted systems is that the interpretation takes time. So interpreted systems frequently take longer to attain a calculation than a system that's interpreted directly by the computer system hardware.

Conclusion


Here , we learned about the Python interpreter , how it works, its advantages and disadvantages. You can also check why python is interpreted language in our other blog.

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