Scope
Computer Science: OCR A Level, topic 7.1.5
Scope
The scope of a variable is the group of areas of the code from which it can be accessed.
Local scope
- A variable defined within a subroutine will have local scope.
- This means that they can only be accessed within that subroutine.
Global scope
- A variable can be made global by adding the 'global' keyword in front of it when it is first used.
- Global variables may be accessed by any part of the whole program.
Test yourself on Scope
What is global scope?