Scope, Lifetime, and
More on Functions

Scope of Identifiers

Global Variable Example

Local Definitions Take
Precedence Over Global Ones

Local Definitions Take
Precedence Over Global Ones

Scope Rules Explored

Scope Rules Explored (continued)

Accessing Identifiers From
Other Program Files

Lifetime of A Variable

Side Effects Illustrated

Side Effects Illustrated (continued)

Another Scope Example

Another Scope Example

Another Scope Example

Another Scope Example

Another Scope Example

Another Scope Example

Another Scope Example

Another Scope Example