diff --git a/Week03/sequences_berra_soyler.py b/Week03/sequences_berra_soyler.py
new file mode 100644
index 00000000..85473d65
--- /dev/null
+++ b/Week03/sequences_berra_soyler.py
@@ -0,0 +1,14 @@
+def remove_duplicates(lst):
+    return list(dict.fromkeys(lst))
+
+def list_counts(lst):
+    counts = {}
+    for item in lst:
+        counts[item] = counts.get(item, 0) + 1
+    return counts
+
+def reverse_dict(d):
+    reversed_dict = {}
+    for key, value in d.items():
+        reversed_dict[value] = key
+    return reversed_dict