1. OCR GCSE Computing © Hodder Education 2013 Slide 1 OCR GCSE Computing Python programming 1: Introduction

2. OCR GCSE Computing © Hodder Education 2013 Slide 2 Index to topics:  Installing Python  The command prompt and operators  Built in functions  Writing programs  Input and output  Variables and constants  Program flow control  Fun with strings  Tuples and lists  Files  Writing your own functions

3. 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.

4. 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.