Data update

Task/Variables/Gleam/variables.gleam

@@ -0,0 +1,9 @@
+pub fn main() -> Nil {
+  let a = 50
+  // variables with the same name rebind to a new value.
+  // Variables are immutable in Gleam and 'a' above differs from the one below
+  let a = 10
+  let b = a + 42
+
+  Nil
+}