Secure Doors

securedoors.py

@@ -0,0 +1,25 @@
+state = {}
+
+
+def detect_anomaly(name: str, action: str) -> str:
+    global state
+    try:
+        if state[name] == action:
+            return " (ANOMALY)"
+    except KeyError:
+        if action == "exit":
+            return " (ANOMALY)"
+    return ""
+
+
+def print_log(name: str, action: str) -> None:
+    paction = "entered" if action == "entry" else "exited"
+    print(f"{name} {paction}{detect_anomaly(name, action)}")
+
+
+n = int(input())
+
+for _ in range(n):
+    action, name = input().split()
+    print_log(name, action)
+    state[name] = action