What is variable lifetime and scope in programming?
An example of an AI chatbot conversation about variable lifetime and scope in programming.
What is variable lifetime and scope in programming?
Variable lifetime refers to the duration a variable exists in memory, while scope defines where it can be accessed.
Can you give me an example of variable scope?
Sure! In a function, a variable declared inside it has local scope and can't be accessed outside that function.
What happens to a variable when it goes out of scope?
When a variable goes out of scope, it is no longer accessible, and its memory can be reclaimed by the system.
Are there different types of variable scope?
Yes, there are mainly three types: local, global, and block scope, each with different accessibility rules.
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