class PositionManager:
    def __init__(self):
        self.POSITION_LIMIT = {
            "BOND": 100,
            "GS": 10,
            "MS": 10,
            "VALBZ": 100,
            "VALE": 100,
            "WFC": 100,
            "XLF": 100 
        }
        self.position = {
            "BOND": 0,
            "GS": 0,
            "MS": 0,
            "VALBZ": 0,
            "VALE": 0,
            "WFC": 0,
            "XLF": 0
        }
    
    def update_position(self, symbol: str, quantity: int):
        self.position[symbol] += quantity
        
    def get_position(self, symbol: str):
        return self.position[symbol]