diff --git a/Week03/pyramid_vladyslav_senkiv.py b/Week03/pyramid_vladyslav_senkiv.py
new file mode 100644
index 00000000..f9aaddd5
--- /dev/null
+++ b/Week03/pyramid_vladyslav_senkiv.py
@@ -0,0 +1,10 @@
+def calculate_pyramid_height(number_of_blocks):
+    height = 0
+    i = 1
+
+    while number_of_blocks >= i:
+        number_of_blocks = number_of_blocks - i
+        height += 1
+        i += 1
+
+    return height
diff --git a/Week03/sequences_vladyslav_senkiv.py b/Week03/sequences_vladyslav_senkiv.py
new file mode 100644
index 00000000..7241c055
--- /dev/null
+++ b/Week03/sequences_vladyslav_senkiv.py
@@ -0,0 +1,17 @@
+def remove_duplicates(seq: list) -> list:
+    result = []
+    for item in seq:
+        if item not in result:
+            result.append(item)
+    return result
+
+
+def list_counts(seq: list) -> dict:
+    counts = {}
+    for item in seq:
+        counts[item] = counts.get(item, 0) + 1
+    return counts
+
+
+def reverse_dict(d: dict) -> dict:
+    return {value: key for key, value in d.items()}
diff --git a/Week05/awaitme_vladyslav_senkiv.py b/Week05/awaitme_vladyslav_senkiv.py
new file mode 100644
index 00000000..76d2e5d2
--- /dev/null
+++ b/Week05/awaitme_vladyslav_senkiv.py
@@ -0,0 +1,14 @@
+import inspect
+from functools import wraps
+
+
+
+def awaitme(func):
+    @wraps(func)
+    async def wrapper(*args, **kwargs):
+        result = func(*args, **kwargs)
+        if inspect.isawaitable(result):
+            return await result
+        return result
+
+    return wrapper
diff --git a/Week06/timer_vladyslav_senkiv.py b/Week06/timer_vladyslav_senkiv.py
new file mode 100644
index 00000000..76b8354d
--- /dev/null
+++ b/Week06/timer_vladyslav_senkiv.py
@@ -0,0 +1,15 @@
+from time import perf_counter
+
+class Timer:
+
+    def __init__(self):
+        self.start_time = None
+        self.end_time = None
+
+    def __enter__(self):
+        self.start_time = perf_counter()
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        self.end_time = perf_counter()
+        return False