YEAR 8: Python (02.12.19)

YEAR 8: Python (02.12.19)

1. A programming language

   • Worlds' fastest and most popular
     • Can be used by people from many different disciplines, e.g. NASA
       • Can be used for data analysis (collection)
         • Automation and web apps
       • Python is the easiest and most efficient
   • Artificial Intelligence

2. Some other programming Languages

   • Java (Script)
   • C ++

3. Algorithm: different precise steps the computer uses to solve a problem

   • Sequencing Instructions for the computer, through coding
   • If all the things are in order, it is an algorithm

4. The action of breaking a problem into simpler tags, is called decomposition, this is done to solve an algorithm

   • We decompose problems into smaller steps to make it easier for us
   • The computer does the same and breaks the complex steps into simple steps

5. Programming

   • Sequencing Instructions (when something is in order one after the other)
   • Accuracy is Important

6. Python's Development Environment

   • IDLE-Integrated Development Environment
   • Interactive Mode: Lets you see your result as you type them
     • Prompt Mode: allows you to save your work
       • Both modes are python Shell (they both use shell window)
         • They also use Editor

7. De-bugging

   • Taking an error out of a code
   • Syntax Errors
   • Reading Interpreter Feedback

8. Variables

   • A variable is a location in memory in which you can temporarily store text or numbers (where you can store different type of data)
     • They are temporary because you can rename the variable and change its contents
     • You can't use a python 'reserved word' as a variable name
       • To make your programs easier to understand, use meaningful names for your variables, such as 'firstname' rather than 'var1'
         • These are called camel keys
   • A variable can only contain letters, numbers and underscores
     • A variable cannot start with a number