diff --git a/Week01/info_muhammedsalih_yesilay.py b/Week01/info_muhammedsalih_yesilay.py
new file mode 100644
index 00000000..ce1fcd6b
--- /dev/null
+++ b/Week01/info_muhammedsalih_yesilay.py
@@ -0,0 +1,2 @@
+student_id = "220316059"
+full_name = "Muhammed Salih Yeşilay"
diff --git a/Week02/types_muhammedsalih_yesilay.py b/Week02/types_muhammedsalih_yesilay.py
new file mode 100644
index 00000000..e4d7a077
--- /dev/null
+++ b/Week02/types_muhammedsalih_yesilay.py
@@ -0,0 +1,4 @@
+my_int = 24
+my_float = 1907.0
+my_bool = 10 == 10
+my_complex = 1807j
diff --git a/Week03/pyramid_muhammedsalih_yesilay.py b/Week03/pyramid_muhammedsalih_yesilay.py
new file mode 100644
index 00000000..53cd2702
--- /dev/null
+++ b/Week03/pyramid_muhammedsalih_yesilay.py
@@ -0,0 +1,7 @@
+def calculate_pyramid_height(number_of_blocks):
+    height = 0
+  
+    while number_of_blocks > height:
+        height += 1
+        number_of_blocks -= height
+    return height
diff --git a/Week03/sequences_muhammedsalih_yesilay.py b/Week03/sequences_muhammedsalih_yesilay.py
new file mode 100644
index 00000000..c4c6fc33
--- /dev/null
+++ b/Week03/sequences_muhammedsalih_yesilay.py
@@ -0,0 +1,17 @@
+def remove_duplicates(seq : list) -> list:
+    return list(set(seq))
+
+def list_counts(seq:list) -> dict:
+    L = {}
+    for i in seq:
+        if i in L:
+            L[i] += 1
+        else:
+            L[i] = 1
+    return L
+
+def reverse_dict(d : dict) -> dict:
+    rd = {}
+    for i, h in d.items():
+        rd[h] = i
+    return rd
diff --git a/Week04/decorators_muhammedsalih_yesilay.py b/Week04/decorators_muhammedsalih_yesilay.py
new file mode 100644
index 00000000..f598313e
--- /dev/null
+++ b/Week04/decorators_muhammedsalih_yesilay.py
@@ -0,0 +1,32 @@
+import tracemalloc, time
+
+def performance(func):
+    """
+    Decorator to track function performance and record statistics.
+
+    :param func: Function to decorate.
+    :type func: callable
+    :return: Wrapped function.
+    :rtype: callable
+
+    :cvar counter: Number of calls.
+    :cvar total_time: Total execution time in seconds.
+    :cvar total_mem: Total peak memory in bytes.
+    """
+    performance.counter = 0
+    performance.total_time = 0.0
+    performance.total_mem = 0.0
+
+    def wrapper(*args, **kwargs):
+        tracemalloc.start()
+        start_time = time.time()
+        result = func(*args, **kwargs)
+        end_time = time.time()
+        current, peak = tracemalloc.get_traced_memory()
+        tracemalloc.stop()
+        performance.counter += 1
+        performance.total_time += (end_time - start_time)
+        performance.total_mem += peak
+        return result
+
+    return wrapper
diff --git a/Week04/functions_muhammedsalih_yesilay.py b/Week04/functions_muhammedsalih_yesilay.py
new file mode 100644
index 00000000..37e9d111
--- /dev/null
+++ b/Week04/functions_muhammedsalih_yesilay.py
@@ -0,0 +1,29 @@
+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:
+    """
+    This function raises x to the power of a, y to the power of b, sums them, and then divides the result by c.
+
+    :param x: The positional-only integer base parameter for the equation , default is 0
+    :param y: The positional-only integer base parameter for the equation , default is 0
+    :param a: The positional-or-keyword integer exponent parameter for the equation , default is 1
+    :param b: The positional-or-keyword integer exponent parameter for the equation , default is 1
+    :param c: The keyword-only integer divisor parameter for the equation , default is 1
+    :return: The result of the calculation as a float and the equation is (x**a + y**b) / c
+    :rtype: float
+    """
+    return (x**a + y**b) / c
+
+
+def fn_w_counter() -> (int, dict[str, int]):
+    if not hasattr(fn_w_counter,'_call_counter'):
+        fn_w_counter._call_counter = 0
+        fn_w_counter._caller_dict = {}
+    caller = __name__
+    fn_w_counter._call_counter += 1
+    if caller in fn_w_counter._caller_dict:
+        fn_w_counter._caller_dict[caller] += 1
+    else:
+        fn_w_counter._caller_dict[caller] = 1
+    return fn_w_counter._call_counter,fn_w_counter._caller_dict
diff --git a/Week05/awaitme_muhammedsalih_yesilay.py b/Week05/awaitme_muhammedsalih_yesilay.py
new file mode 100644
index 00000000..7f7f7c53
--- /dev/null
+++ b/Week05/awaitme_muhammedsalih_yesilay.py
@@ -0,0 +1,9 @@
+import asyncio
+
+def awaitme(function):
+    async def wrapper(*args, **kwargs):
+        result = function(*args, **kwargs)
+        if asyncio.iscoroutine(result):
+            return await result
+        return result
+    return wrapper