Variables & MutabilityIn Rust, variables are immutable by default. By defaulting variables to immutable, Rust steers developers towards safer, clearer code by reducing unintended modifications, enabling compiler optimizations, and promoting functional programming practices. Although variables default to immutable in Rust, they can be altered to become mutable. Being mutable simply means that the value associated with a variable can change, and the opposite is true for immutable. More explicit...