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What sort of language is Python? Explicitly compiled to machine code Purely interpreted C, C++, Fortran Shell, Perl Explicitly compiled to byte code Java, C# Implicitly compiled to byte code Python Compiled Interpreted
"An Introduction to Python" says this about compiled Python files: A program doesn't run any faster when it is read from a ‘.pyc’ or ‘.pyo’ file than when it is read from a ‘.py’ file; the only thing that's faster about ‘.pyc’ or ‘.pyo’ files is the speed with which they are loaded.
Python Code Execution: Python’s traditional runtime execution model: Source code you type is translated to byte code, which is then run by the Python Virtual Machine (PVM). Your code is automatically compiled, but then it is interpreted. Source Byte code Runtime m.py Source code extension is .py Byte code extension is .pyc (Compiled python code)
1) Compiled languages 2) Interpreted languages In a compiled language, the programmer writes a program in a programming language that is human readable. Then, a program called a compiler translates this program into a set of 0s and 1s known as an executable file that the computer will understand. It's this executable file that the computer runs.
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Interpreted, rather than being compiled to the instruction set of the host machine. 1.2 Why Python? The first really popular scripting language was Perl. It is still in wide usage today, but the languages with momentum are Python and the Python-like Ruby. Many people, including me, greatly prefer Python to Perl, as it is much cleaner and more ...
Once program is compiled, it can be executed over and over without the source code or compiler. If it is interpreted, the source code and interpreter are needed each time the program runs Compiled programs generally run faster since the translation of the source code happens only once. Python Programming, 2/e 23
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Python was also designed to be a second language for programmers to learn due to its low learning curve and ease of use. Python runs on Mac, Linux, Windows, and many other platforms. Python is: Interpreted: it can execute at runtime, and changes in a program are instantly perceptible. To be very technical, Python has a compiler.