diff --git a/Week01/info_enes_dogan.py b/Week01/info_enes_dogan.py
new file mode 100644
index 00000000..75321935
--- /dev/null
+++ b/Week01/info_enes_dogan.py
@@ -0,0 +1,2 @@
+student_id="200315030"
+full_name="Enes Doğan"
\ No newline at end of file
diff --git a/Week04/decorators_enes_dogan.py b/Week04/decorators_enes_dogan.py
new file mode 100644
index 00000000..71313e9c
--- /dev/null
+++ b/Week04/decorators_enes_dogan.py
@@ -0,0 +1,56 @@
+import tracemalloc
+import time
+
+def performance(func):
+    """
+    Decorator to measure the performance of a function in terms of
+    execution time and memory usage.
+
+    Attributes:
+        counter (int): Counts the number of times the decorated function has been called.
+        total_time (float): Accumulates the total execution time of the function calls.
+        total_mem (int): Accumulates the total memory used (in bytes) by the function calls.
+
+    Args:
+        func (function): The function to be decorated.
+
+    Returns:
+        function: The wrapped function with performance tracking.
+    """
+    
+    # Initialize performance attributes
+    performance.counter = 0
+    performance.total_time = 0
+    performance.total_mem = 0
+
+    def _wrapper(*args, **kwargs):
+        """
+        Wrapper function that measures and accumulates the performance
+        metrics of the decorated function.
+
+        Args:
+            *args: Variable length argument list for the decorated function.
+            **kwargs: Arbitrary keyword arguments for the decorated function.
+
+        Returns:
+            function: The result returned by the decorated function.
+        """
+        
+        performance.counter += 1
+        start_time = time.time()
+        tracemalloc.start()
+        snapshot1 = tracemalloc.take_snapshot()
+        
+        result = func(*args, **kwargs)
+
+        snapshot2 = tracemalloc.take_snapshot()
+        tracemalloc.stop()
+        end_time = time.time()
+        
+        # Calculate the memory difference and accumulate it
+        performance.total_time += end_time - start_time
+        performance.total_mem += snapshot2.compare_to(snapshot1, "lineno")[0].size_diff
+
+        return result
+
+    return _wrapper
\ No newline at end of file
diff --git a/Week04/functions_enes_dogan.py b/Week04/functions_enes_dogan.py
new file mode 100644
index 00000000..30fa4039
--- /dev/null
+++ b/Week04/functions_enes_dogan.py
@@ -0,0 +1,51 @@
+import functools
+
+custom_power = lambda x=0, /, e=1: x ** e
+
+def custom_equation(x: int = 0, y: int = 0, /, a: int = 1, b: int = 1, *, c: int = 1) -> float:
+    """
+    Calculates (x**a + y**b) / c.
+
+    :param x: Base of the first term (default: 0)
+    :param y: Base of the second term (default: 0)
+    :param a: Power of the first term (default: 1)
+    :param b: Power of the second term (default: 1)
+    :param c: Constant divisor (default: 1)
+    :return: Result of (x**a + y**b) / c
+    """
+    return (x ** a + y ** b) / c
+
+# 3. Function for fn_w_counter
+def fn_w_counter() -> (int, dict[str, int]):
+    """
+    Count the number of calls with caller information.
+
+    :return: Tuple containing total number of calls and a dictionary
+             with the caller name as key and the number of calls as value.
+    """
+    if not hasattr(fn_w_counter, "call_count"):
+        fn_w_counter.call_count = 0
+        fn_w_counter.callers_dict = {}
+    
+    fn_w_counter.call_count += 1
+    caller = __name__
+    
+    if caller in fn_w_counter.callers_dict:
+        fn_w_counter.callers_dict[caller] += 1
+    else:
+        fn_w_counter.callers_dict[caller] = 1
+    
+    return fn_w_counter.call_count, fn_w_counter.callers_dict
+
+if __name__ == "__main__":
+    # Example usage of custom_power
+    print("custom_power(2, 3):", custom_power(2, 3))
+    print("custom_power(5):", custom_power(5))
+
+    # Example usage of custom_equation
+    print("custom_equation(2, 3, 2, 1, 1):", custom_equation(2, 3, 2, 1, 1))  
+    print("custom_equation(2, 3):", custom_equation(2, 3))                    
+
+    # Example usage of fn_w_counter
+    print(fn_w_counter()) 
+    print(fn_w_counter())  
diff --git a/Week05/awaitme_enes_dogan.py b/Week05/awaitme_enes_dogan.py
new file mode 100644
index 00000000..ed19157a
--- /dev/null
+++ b/Week05/awaitme_enes_dogan.py
@@ -0,0 +1,9 @@
+import asyncio
+
+def awaitme(function):
+    async def _awaitme(*args, **kwargs):
+        result = function(*args, **kwargs)
+        if asyncio.iscoroutine(result):
+            return await result
+        return result
+    return _awaitme