logs = [
    {"username": "alice", "ip": "192.168.1.1", "status": "Success"},
    {"username": "bob", "ip": "192.168.1.2", "status": "Failure"},
    {"username": "alice", "ip": "192.168.1.3", "status": "Failure"},
    {"username": "carol", "ip": "192.168.1.4", "status": "Success"},
    {"username": "bob", "ip": "192.168.1.2", "status": "Failure"},
    {"username": "alice", "ip": "192.168.1.1", "status": "Failure"},
    {"username": "dave", "ip": "192.168.1.5", "status": "Failure"},
    {"username": "bob", "ip": "192.168.1.2", "status": "Failure"},
]