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Picture

Getting started

Functions

Variables

Variables 2

Inputs

Selection

Flowcharts

Data types

Pseudocode1

Pseudocode2

Subprogram1

Subprogram2

Variables have rules too

Python is full of rules. Let us introduce ourselves to the rules of the variable. You probably know how to code a correct variable, but you are now being shown all the things that make up a bad variable. If it is a bad variable, Python will not like it and give you an error message. Lets learn the rules.
​

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  • Edexcel GCSE CS
    • Past papers >
      • 2020 Current spec (coming soon) >
        • Programming Language Subset (PLS)
      • Old 2016 SPEC >
        • Paper 1 (specimen1)
        • Paper 1 (specimen2)
        • Paper 1 (2018)
        • Paper 1 (2019)
        • Paper 2 (specimen1)
        • Paper 2 (2018)
        • Paper 2 (2019)
      • OLD 2013 SPEC >
        • Sample assessment 1 (old spec)
        • Sample assessment 2 (old spec)
        • June 2017 (old spec)
        • June 2016 (old spec)
        • June 2015 (old spec)
    • Paper 1 (by topic) >
      • Algorithms
      • Application software
      • Ascii
      • Binary
      • Cache
      • Client Server
      • Cloud
      • Compression
      • Computational thinking
      • CPU
      • Cyber security
      • Database
      • Fetch decode execute cycle
      • Embedded system
      • Encryption
      • File size
      • Flow chart
      • Hexadecimal
      • High Level language
      • ISP/Internet
      • Logic
      • Magnetic HDD
      • Networking
      • Open source
      • Operating system
      • Peer to peer
      • Images (Data representation)
      • Protocols
      • RAM
      • ROM
      • Run length encoding
      • Simulation software
      • Solid state HDD
      • Sound
      • Stored program concept
      • Utility software
    • Curriculum >
      • Binary
      • Hex
      • Data Representation
      • Compression
      • Encryption
      • What is a computer
      • How does a computer work
      • Hardware
      • Operating system
      • The CPU
      • Input devices
      • Data storage
      • Networks
      • Microcontrollers
      • Computational models
      • Emerging trends
      • Virtual machine
      • Models and simulators
      • Algorithms
    • Python >
      • Help with Python >
        • Finding python
        • Python coding >
          • Comments
          • Data types
          • Variables
          • If Else
          • If Elif Else
          • Functions
          • For loop
          • While loop
          • Data structures >
            • Looping thru 2D array
          • String slicing/indexing
          • user defined function
          • Local/global variable
          • Validation and try
          • methods
          • File I/O
          • Pseudocode
          • Modules >
            • Turtle
          • Classes
          • NEA/Projects
        • Python questions
  • KS3/Other
    • KS3 >
      • E-Safety >
        • E-Safety intro
        • Screen time
        • E-Safety questions
      • Hardware >
        • All Hardware
        • Magnetic hard disk drive
        • Optical disk drive
        • Solid state drive
      • Software
      • Binary/Hex/Algorithms >
        • Binary
        • Hexadecimal - 1 digit
        • Hexadecimal - 2 digits
        • Algorithms
        • ASCII
        • Tests
      • Networks
      • Protocols/Cyber attacks
      • Scratch
      • Logic >
        • CPU
        • AND gate
        • OR gate
        • NOT gate
        • Logical statements
      • Python >
        • Getting started
        • Functions
        • Variables
        • VariablesToo
        • inputs
        • Selection
        • Flowcharts
        • Data types
        • Pseudocode1
        • Pseudocode2
        • Subprogram1
        • Subprogram2
        • Coding challenges
      • HTML
    • BTEC CS
    • OCR GCSE CS >
      • Past paper JUNE 2015
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      • Paper 1 (9-1)
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  • Contact/More
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    • upload
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  • Self test
    • 01 Random topics
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    • 06 The bigger picture
    • 07 Paper 2