Code Variables

What is a variable in programming?

• A variable in programming is a symbolic name given to a value that can change during the program's execution.

• A variable in programming is a physical storage unit in the computer

• A variable in programming is a type of function

• A variable in programming is a fixed value that never changes

How do you declare a variable in Python?

• value = variable_name

• variable_name = value =

• variable_name : value

• variable_name = value

What is the difference between local and global variables?

• Local variables are limited to their scope, while global variables can be accessed from anywhere in the program.

• Local variables can be accessed globally, while global variables are limited to their scope.

• Local variables are declared outside functions, while global variables are declared inside functions.

• Local variables are stored in memory, while global variables are stored on disk.

Explain the concept of variable scope.

• Variable scope is related to the color of the variable.

• Variable scope is the same as variable type.

• Variable scope determines the size of the variable.

• Variable scope determines the range within which a variable can be used in a program.

Why is it important to choose meaningful variable names?

• Meaningful variable names make the code run faster

• Meaningful variable names are only important for beginners

• Meaningful variable names improve code readability and maintainability.

• Meaningful variable names increase the file size of the code