diff --git a/student_no.txt b/student_no.txt
index 2a6816f..150a249 100644
--- a/student_no.txt
+++ b/student_no.txt
@@ -1 +1,3 @@
 # Please enter your 9-digit student number below.
+
+100243360
diff --git a/task1/sources/main.move b/task1/sources/main.move
index 2507060..485d543 100644
--- a/task1/sources/main.move
+++ b/task1/sources/main.move
@@ -5,13 +5,17 @@ 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 result = Wallet {
+            balance: 1000
+        };
+        result
     }
 
     #[test]
diff --git a/task2/sources/main.move b/task2/sources/main.move
index d6746d8..f1a38b1 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 {
-        // ...
+    fun gen_Fool(u_in:u64, b_in:bool): Foo {
+        let result = Foo {
+            u: u_in,
+            b: b_in
+        };
+        result
     }
 
     #[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 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 {
-        // ...
+    fun gen_Soo(x_in:u64, y_in:u64): Soo {
+        let result = Soo {
+            x: x_in,
+            y: y_in
+        };
+        result
     }
 
     #[test]
@@ -56,21 +66,24 @@ module 0x42::Task2{
 
     // TODO
     // Define a struct Koo with a field: s: Moo with ability
-    struct Koo {
+    struct Koo has drop {
         s: Moo
     }
 
     // TODO
     // Define a struct Moo with a field: x: u64 with ability
-    struct Moo {
+    struct Moo has drop {
         x: u64
     }
 
 
     // TODO
     // Define a function gen_Moo that takes an argument: x: u64 and returns a Moo
-    fun gen_Moo(x:u64): Moo {
-        // ...
+    fun gen_Moo(x_in:u64): Moo {
+        let result = Moo {
+            x: x_in
+        };
+        result
     }
 
     #[test]
diff --git a/task3/sources/m1.move b/task3/sources/m1.move
index e3542c4..589f831 100644
--- a/task3/sources/m1.move
+++ b/task3/sources/m1.move
@@ -6,17 +6,18 @@ module 0x42::M1{
 
     // TODO
     // Define a module friend M2
-    friend       ;
-    
+    friend 0x42::M2;
+    friend 0x42::M3;
+
     // TODO
     // Define a function num that returns 66 with choose public or friend visibility
-    fun num():u64 {
+    public(friend) 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..6a2e60d 100644
--- a/task4/sources/main.move
+++ b/task4/sources/main.move
@@ -12,19 +12,24 @@ module 0x42::Task4 {
     // TODO
     // 1. create a deleteable object
     public fun createDeleteableObject(caller: &signer):ConstructorRef {
-        // ...
+        let caller_address = signer::address_of(caller);
+        let obj = object::create_object(caller_address);
+        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_address = signer::address_of(caller);
+        let obj = object::create_sticky_object(caller_address);
+        obj
     }
 
     #[test(caller = @0x88)]