diff --git a/src/isolate-duplicates/index.js b/src/isolate-duplicates/index.js
index 79ae426..5346548 100644
--- a/src/isolate-duplicates/index.js
+++ b/src/isolate-duplicates/index.js
@@ -1,3 +1,27 @@
-function isolateDuplicates(text) {}
+// function isolateDuplicates(text) {
+//  let count = {}
 
-module.exports = isolateDuplicates;
+//  text.forEach(isolate)
+
+//  function isolate(item){
+//     console.log(item)
+//  }
+
+// }
+
+
+// console.log("aaaabbcdefffffffg")
+// module.exports = isolateDuplicates;
+
+
+//switch between two variables without using a third
+
+let x = 10
+let y = 20
+
+x = x + y
+y = x - y
+x = x - y
+
+console.log(x)
+console.log(y)
\ No newline at end of file
diff --git a/src/morse/index.js b/src/morse/index.js
index cf65063..d22a6b5 100644
--- a/src/morse/index.js
+++ b/src/morse/index.js
@@ -58,6 +58,18 @@ const MORSE_CODE = {
 
 Object.freeze(MORSE_CODE);
 
-function morse(text) {}
+function morse(text) {
+if (typeof text !== "string") throw new Error("Please provide a morse string");
+
+if (text == "") return "";
+let word = "";
+let firstWord = "";
+text = text.trim();
+
+if (text.includes(" ")) {
+  text = text.replace(/ /g, "[[]]");
+  text = text
+
+}
 
 module.exports = morse;
diff --git a/src/remove-dulplicates/index.js b/src/remove-dulplicates/index.js
index 75c6c9b..ec14de4 100644
--- a/src/remove-dulplicates/index.js
+++ b/src/remove-dulplicates/index.js
@@ -1,3 +1,15 @@
-function removeDuplicates(obj) {}
+function removeDuplicates(obj) {
+let n = []
+
+let rep = (a, b) => [...new Set([...a].filter( x => !b.includes(x)))];
+
+return Object.entries(obj).reverse().map(element => {
+    const aux = n;
+    n = [...new Set([...n, ...element[1]])];
+
+    return [element[0],[...new Set(rep (element[1], aux))] ];
+}).reduce((arrays, array) => ((arrays[array[0]] = array[1]), arrays), {});
+
+    }
 
 module.exports = removeDuplicates;