diff --git a/app/test2.js b/app/test2.js
new file mode 100644
index 0000000..3d97cda
--- /dev/null
+++ b/app/test2.js
@@ -0,0 +1,13 @@
+const text = 'Hello, World!';
+
+let counter = 0;
+//Program wyświetla po znaku z tekstu...
+const intervalId = setInterval(() => {
+    console.log(text[counter]);
+    counter++;
+    
+    //...ręcznie musimy mu powiedzieć kiedy należy przerwać wykonywanie - wtedy proces Node.js się zakończy
+    if (counter === text.length){
+        clearInterval(intervalId);
+    }
+}, 400);
diff --git a/app/test3.js b/app/test3.js
new file mode 100644
index 0000000..249179f
--- /dev/null
+++ b/app/test3.js
@@ -0,0 +1,4 @@
+process.argv.forEach((val, index) => {
+  console.log(`${index}: ${val}`);
+});
+
diff --git a/app/zadanie01.js b/app/zadanie01.js
index 8c20173..abf8b98 100644
--- a/app/zadanie01.js
+++ b/app/zadanie01.js
@@ -1 +1,8 @@
-//Twój kod
\ No newline at end of file
+const text = 'Magdalena Goralczyk';
+console.log(text);
+setTimeout(() => {
+    console.log('Wita się z Node.js!');
+}, 5000);
+
+
+
diff --git a/app/zadanie02.js b/app/zadanie02.js
index 8c20173..3466c5d 100644
--- a/app/zadanie02.js
+++ b/app/zadanie02.js
@@ -1 +1,36 @@
-//Twój kod
\ No newline at end of file
+const text = 'Witam';
+console.log(text);
+setTimeout(() => {
+    console.log('się');
+}, 1000);
+
+setTimeout(() => {
+    console.log('z');
+}, 2000);
+
+setTimeout(() => {
+    console.log('programem');
+}, 3000);
+
+setTimeout(() => {
+    console.log('Node.js');
+}, 4000);
+
+setTimeout(() => {
+    console.log('w konsoli');
+}, 5000);
+
+setTimeout(() => {
+    console.log('i korzystam');
+}, 6000);
+
+setTimeout(() => {
+    console.log('z funkcji czasu!');
+}, 7000);
+
+
+
+
+
+
+
diff --git a/app/zadanie03.js b/app/zadanie03.js
index 8c20173..de30c82 100644
--- a/app/zadanie03.js
+++ b/app/zadanie03.js
@@ -1 +1,12 @@
-//Twój kod
\ No newline at end of file
+var sum=0;
+var count=0;
+
+process.argv.forEach((val, index) => {
+if(count>=2) {
+sum+=parseInt(val);
+}
+  count++;
+});
+console.log(sum);
+
+