BI4 - Programming - Python

a few facts about python

• programming language

• designed early 90s

• affiliated with the center for mathematics in amsterdam

• BASIC based language based on ABC

• supported by volunteers on the internet

• the python development is led by the python software foundation

• python is a free software

characteristics python

• readable code

• structure trough indentation

• statements ended by the end of the line

• variables do not receive a type declaration

• a function or method is started without checking first whether it works properly

• extentsion .py

• interpreter : compiles to an intermediate form called bytecode

• => bite code is independent of the operating system

• next step : change the bytecode into machinelanguage

• slower than programs written in an language with a compiler

• memory space = autamatically reserved for new variables

• => released again if there are no more references to those variables

• standalone executables : ex py2exe

• libraries : extensive library

1 + true =

2

1 + false =

1