Showing posts with the label interpreter

5 Python Interpreter Tricky Questions

Python is an interpreter, a nd its main task is to execute the program. When it first encounters the .py module, it converts it to Bytecode, which is portable. And it is a one-time job. How Interpreter different from Compiler. It is a Byte code, which is in the form of '00001111000111' -  zeros and ones.  Internal Mechanism; Internally, the  Python interpreter  converts source-code to byte-code when you first execute it. So to run Python-program, you need an interpreter installed on your machine. You May Also Like   Bytecode Vs. Machine Code Execution flow of Interpreter For your program, you need the below two: Interpreter Libraries Interpreter. The process of the interpreter is BlackBox to the programmer. The interpreter creates a .pyc module, which will be an input to PVM, and to use in next time processing. The PVM (Python Virtual Machine) is just like JVM in Java, a run-time environment, which executes Byte-code and gives you output. Here are  4 Python Oops Concepts. Libra

How to Run First Program in Python

When you are a first-time learner of Python, the below commands you can try on windows Python-interpreter. Python is a powerful and multipurpose language. At the highest level, Python is an interpreted language. And you don't need declarations for: Variables Methods Parameters Functions You don't need a compiler. During the run-time, the Python interpreter validates the code and shows-up errors. How to Run First Program in Python. $ python ## Run the Python interpreter Python 2.7.9 (default, Dec 30 2014, 03:41:42) [GCC 4.1.2 20080704 (Red Hat 4.1.2-55)] on linux2Type "help", "copyright", "credits" or "license" for more information. >>> a = 6 ## set a variable in this interpreter session >>> a ## entering an expression prints its value 6 >>> a + 2 8 >>> a = 'hi' ## 'a' can hold a string just as well >>> a'hi' >>> len(a) ## call th