fix dir path issue error

Author: RaihanSharif

Sprint-1/1-key-exercises/3-paths.js

@@ -17,8 +17,7 @@ console.log(`The base part of ${filePath} is ${base}`);
 // Create a variable to store the dir part of the filePath variable
 // Create a variable to store the ext part of the variable
 
-const dir = filePath.slice(lastSlashIndex);
+const dir = filePath.slice(0, lastSlashIndex);
 const ext = base.split(".")[1];
 
-console.log(dir);
 // https://www.google.com/search?q=slice+mdn