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Impara Local Variables in Python: Understanding Function-Level Scope | Understanding Variable Scope in Python
Intermediate Python Techniques

bookLocal Variables in Python: Understanding Function-Level Scope

A local variable is defined inside a function. You cannot access this variable outside the function's definition.

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def greet(): message = "Aloha" print(message, "# local message") greet() print(message) # This line will result in an error
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The output is:

Aloha # local message
NameError: name 'message' is not defined

The message variable is not accessible in the global scope; it exists only inside the function. When the function exits, this variable ceases to exist.

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Sezione 4. Capitolo 2

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bookLocal Variables in Python: Understanding Function-Level Scope

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A local variable is defined inside a function. You cannot access this variable outside the function's definition.

123456
def greet(): message = "Aloha" print(message, "# local message") greet() print(message) # This line will result in an error
copy

The output is:

Aloha # local message
NameError: name 'message' is not defined

The message variable is not accessible in the global scope; it exists only inside the function. When the function exits, this variable ceases to exist.

Tutto è chiaro?

Come possiamo migliorarlo?

Grazie per i tuoi commenti!

Sezione 4. Capitolo 2
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