Variable scopes w\ examples (Local vs Global vs Block vs Nested)

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In programming, a scope is the area of code where you can access a certain variable in order to read it, change its value, and work with that variable in general.
There are four types of scopes:
- global scope
- local/function scope
- block scope
- nested scope
In this video, I’ll show you examples of each scope and explain the advantages and disadvantages, as well as when to use each variable scope.

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Contents:
00:00 - Summary of what you’ll learn in this video
00:31 - What is scope? Types of scopes?
02:28 - Local/function scope w\ examples
06:44 - When to use local scope variables?
08:03 - Global scope w\ examples
11:40 - When to use global scope variables?
13:01 - Block scope w\ examples
16:00 - Nested scope w\ examples

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