3.1.1 The Difference between a variable and a constant

What is the difference between a variable and a constant?

In maths and computing, a variable is a symbol, number ore letters that represent a value.
Python variables are like this:

name = “Bob the builder”

A variable is something that needs to change though out the program.
A constant is something that needs to stay the same and can't change. In the c programming language a constant looks like this: 
int const a = 1;

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3.1.1 Data and Information

What is the difference between data and information?

Data is facts or statistics that are out of context, it means nothing on its own. e.g: 12.6, 1223, 562B
Data turns in to information when it is labeled and put in to context. e.g: lap times = 121.64, 126.91, 125.46
Information can be a words, pictures or sequence of numbers that are in context.
Example of data:

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