Description: A local variable is a type of variable that is defined within a function or code block in a programming language. These variables are only accessible within the scope where they were declared, meaning they cannot be used outside of that specific context. This allows programmers to manage memory usage more efficiently and avoid naming conflicts, as local variables do not interfere with other variables that may have the same name in different functions or blocks. In many programming languages, local variables are immutable by default, meaning their value cannot be changed once assigned unless specified otherwise. This feature promotes safety and predictability in code, as it reduces the likelihood of errors related to accidental data modification. Additionally, local variables are automatically destroyed once the program control exits the block or function where they were created, contributing to efficient memory management and preventing memory leaks. In summary, local variables are fundamental to the structure and functioning of code, providing a mechanism to encapsulate data and maintain program integrity.
