What should be included in a function to ensure its variables can't be accessed outside the function?

What should be included in a function to ensure its variables can't be accessed outside the function?

• A. Private keyword
• B. Global keyword
• C. Local keyword
• D. Static keyword

Answer: (B)

To ensure that a function's variables cannot be accessed outside of that function, the local scope in which those variables are defined is what matters the most. In Python, when a variable is declared within a function, it is automatically local to that function, which means it cannot be accessed from outside of it. This is the simplest solution to restrict access to those variables. The global keyword, on the other hand, is used when you want to declare a variable inside a function but ensure that it references a variable at the global scope instead of creating a new local variable. This doesn't protect the variable; it actually gives access to a global variable, which is the opposite of what the question is asking. Using a private keyword does not exist in Python as a modifier for restricting access like it does in some other programming languages. The concept of "private" in Python is implemented through naming conventions (like prefixing variable names with an underscore) rather than through a keyword. The static keyword has different implications in other languages but does not apply in Python the same way. Python does not implement static scoping in terms of variable access the same way as languages like C++ or Java. By defining variables within a function, they remain local to that function, ensuring that

To ensure that a function's variables cannot be accessed outside of that function, the local scope in which those variables are defined is what matters the most. In Python, when a variable is declared within a function, it is automatically local to that function, which means it cannot be accessed from outside of it. This is the simplest solution to restrict access to those variables.

The global keyword, on the other hand, is used when you want to declare a variable inside a function but ensure that it references a variable at the global scope instead of creating a new local variable. This doesn't protect the variable; it actually gives access to a global variable, which is the opposite of what the question is asking.

Using a private keyword does not exist in Python as a modifier for restricting access like it does in some other programming languages. The concept of "private" in Python is implemented through naming conventions (like prefixing variable names with an underscore) rather than through a keyword.

The static keyword has different implications in other languages but does not apply in Python the same way. Python does not implement static scoping in terms of variable access the same way as languages like C++ or Java.

By defining variables within a function, they remain local to that function, ensuring that