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OCR GCSE Computing © Hodder Education 2013 Slide 1
OCR GCSE Computing
Python programming1: Introduction
OCR GCSE Computing © Hodder Education 2013 Slide 2
Index to topics: Installing PythonThe command prompt and operatorsBuilt in functionsWriting programs Input and outputVariables and constantsProgram flow controlFun with stringsTuples and listsFilesWriting your own functions
OCR GCSE Computing © Hodder Education 2013 Slide 3
Python 1: Introduction
Why learn Python?• simple to learn;• clear syntax;• a real language used by many large organisations;• modular – there are many plug-in modules that
extend the power of the language, such as graphical interfaces;
• interpreted – no need to compile and link;• easy to write short programs – you need less code to
write a Python program than in many other languages;
• readable.
OCR GCSE Computing © Hodder Education 2013 Slide 4
Python 1: Introduction• http://www.python.org/getit/• Make sure to get Python 3;• Choose the command line to experiment;• Choose the GUI for writing programs.