How to import a file out from path in python?

The AI.py are trying import the file var.py, but how i can do it?

Directories looks like:

|
├── serverAPI
│   ├── connectionAPI.py
│   ├── DB_server
│   │   ├── AI.py
│   │   ├── check_requests.py
│   │   ├── __init__.py
│   │   └── README
└── var
    ├── bot_token
    ├── data.json
    ├── __init__.py
    ├── README
    └── var.py