Add test file with medium/low severity issues only

Author: matej

claudecode/test_medium_low.py

@@ -0,0 +1,46 @@
+"""Test file with medium/low severity issues only (no HIGH severity)."""
+
+
+def find_duplicates(items):
+    """Find duplicate items in a list.
+
+    Medium severity: O(n²) algorithm when O(n) with set is possible.
+    """
+    duplicates = []
+    for i in range(len(items)):
+        for j in range(i + 1, len(items)):
+            if items[i] == items[j] and items[i] not in duplicates:
+                duplicates.append(items[i])
+    return duplicates
+
+
+def calculate_discount(price, discount_percent):
+    """Calculate discounted price.
+
+    Low severity: Uses magic number instead of named constant.
+    """
+    if discount_percent > 50:  # Magic number - what does 50 represent?
+        discount_percent = 50
+    return price * (1 - discount_percent / 100)
+
+
+def process_data(data):
+    """Process data and return result.
+
+    Low severity: Doesn't handle empty input gracefully.
+    """
+    total = 0
+    for item in data:
+        total += item["value"]  # Will crash if data is empty or item has no "value"
+    return total / len(data)  # Division by zero if data is empty
+
+
+def format_user_info(user):
+    """Format user information for display.
+
+    Low severity: Unused variable.
+    """
+    unused_temp = user.get("temp", "default")  # Never used
+    name = user.get("name", "Unknown")
+    email = user.get("email", "N/A")
+    return f"{name} <{email}>"