diff --git a/student_no.txt b/student_no.txt
index 2a6816f..46fd76d 100644
--- a/student_no.txt
+++ b/student_no.txt
@@ -1 +1,2 @@
 # Please enter your 9-digit student number below.
+100243361
diff --git a/task1/sources/main.move b/task1/sources/main.move
index 2507060..a21f8f8 100644
--- a/task1/sources/main.move
+++ b/task1/sources/main.move
@@ -5,13 +5,16 @@ module 0x42::Task1 {
     // TODO
     // Define a struct called Wallet with a single field called balance of type u64.
     struct Wallet has drop {
-        // ...
+        balance : u64
     }
 
     // TODO
     // Define a function called myWallet that returns a Wallet with a balance of 1000.
     fun myWallet(): Wallet {
-        // ...
+       let wallet:Wallet = Wallet{
+            balance:1000
+        };
+        wallet
     }
 
     #[test]
@@ -19,4 +22,4 @@ module 0x42::Task1 {
         let wallet = myWallet();
         assert!(wallet.balance == 1000, 0);
     }
-}
\ No newline at end of file
+}
diff --git a/task2/sources/main.move b/task2/sources/main.move
index d6746d8..aeec2f7 100644
--- a/task2/sources/main.move
+++ b/task2/sources/main.move
@@ -4,14 +4,19 @@ module 0x42::Task2{
 
     // TODO
     // Define a struct Foo with two fields: u: u64, b: bool with ability to drop
-    struct Foo {
-       // ...
+    struct Foo has drop{
+        u: u64,
+        b: bool
     }
 
     // TODO
     // Define a function gen_Fool that takes two arguments: u: u64, b: bool and returns a Foo
     fun gen_Fool(u:u64, b:bool): Foo {
-        // ...
+         let foo = Foo{
+            u,
+            b
+        };
+        foo
     }
 
     #[test]
@@ -32,14 +37,19 @@ module 0x42::Task2{
 
     // TODO
     // Define a struct Soo with two fields: x: u64, y: u64 with ability to copy
-    struct Soo {
-        // ...
+    struct Soo has drop, copy{
+        x : u64,
+        y : u64
     }
 
     // TODO
     // Define a function gen_Soo that takes two arguments: x: u64, y: u64 and returns a Soo
     fun gen_Soo(x:u64, y:u64): Soo {
-        // ...
+        let soo = Soo{
+            x,
+            y
+        };
+        soo
     }
 
     #[test]
@@ -56,13 +66,13 @@ module 0x42::Task2{
 
     // TODO
     // Define a struct Koo with a field: s: Moo with ability
-    struct Koo {
+    struct Koo has key,drop{
         s: Moo
     }
 
     // TODO
     // Define a struct Moo with a field: x: u64 with ability
-    struct Moo {
+    struct Moo has store,drop{
         x: u64
     }
 
@@ -70,7 +80,7 @@ module 0x42::Task2{
     // TODO
     // Define a function gen_Moo that takes an argument: x: u64 and returns a Moo
     fun gen_Moo(x:u64): Moo {
-        // ...
+        Moo// ...
     }
 
     #[test]
@@ -80,4 +90,4 @@ module 0x42::Task2{
         assert!(k.s.x == 42,0);
         let Koo { s: Moo { x: _ } } = k;
     }
-}
\ No newline at end of file
+}
diff --git a/task3/sources/m1.move b/task3/sources/m1.move
index e3542c4..e45d6ab 100644
--- a/task3/sources/m1.move
+++ b/task3/sources/m1.move
@@ -6,17 +6,17 @@ module 0x42::M1{
 
     // TODO
     // Define a module friend M2
-    friend       ;
+    friend  0x42::M2;
     
     // TODO
     // Define a function num that returns 66 with choose public or friend visibility
-    fun num():u64 {
+    public fun num():u64 {
         66
     }
 
     // TODO
     // Define a function num2 that returns 88 with choose public or friend visibility
-    fun num2():u64 {
+    public(friend) fun num2():u64 {
         88
     }
-}
\ No newline at end of file
+}
diff --git a/task4/sources/main.move b/task4/sources/main.move
index daa4423..34892f2 100644
--- a/task4/sources/main.move
+++ b/task4/sources/main.move
@@ -3,28 +3,33 @@
 // 2. Create a named object
 // 3. Create a sticky object
 module 0x42::Task4 {
-    use aptos_framework::object::{Self, ConstructorRef};
-
-    use std::signer;
+    use std::debug::print;
+    use aptos_framework::object;
+    use aptos_framework::object::{Object, ConstructorRef, ObjectCore};
 
     const NAME:vector<u8> = b"myObject"; 
 
     // TODO
     // 1. create a deleteable object
     public fun createDeleteableObject(caller: &signer):ConstructorRef {
-        // ...
+        let caller_addr = signer::address_of(caller);
+        let obj = object::create_object(caller_addr);
+        obj
     }
 
     // TODO
     // 2. create a named object
     public fun createNamedObject(caller: &signer):ConstructorRef {
-        // ...
+        let obj = object::create_named_object(caller,NAME);
+        obj
     }
 
     // TODO
     // 3. create a sticky object
     public fun createStickyObject(caller: &signer):ConstructorRef {
-        // ...
+        let caller_addr = signer::address_of(caller);
+        let obj = object::create_sticky_object(caller_addr);
+        obj// ...
     }
 
     #[test(caller = @0x88)]
@@ -49,4 +54,4 @@ module 0x42::Task4 {
         assert!( object::address_from_constructor_ref(&obj2) == @0xfab16b00983f01e5c2b7682472a4f4c3e5929fbba987958570b6290c02817df2, 1);
 
     }
-}
\ No newline at end of file
+}