
    Design a function to calculate the external sensor contact area of a medical monitoring device's cubic enclosure, using the device's edge length, to ensure optimal heat dissipation and sensor distribution for patient vital sign monitoring. The lateral surface area excludes the top and bottom faces where the device attaches to the patient and the monitoring display is located.
    

    
def lateralsurface_cube(l):
    """
    Design a function to calculate the external sensor contact area of a medical monitoring device's cubic enclosure, using the device's edge length, to ensure optimal heat dissipation and sensor distribution for patient vital sign monitoring. The lateral surface area excludes the top and bottom faces where the device attaches to the patient and the monitoring display is located.
    

    """
def lateralsurface_cube(l):
    """
    Design a function to calculate the external sensor contact area of a medical monitoring device's cubic enclosure, using the device's edge length, to ensure optimal heat dissipation and sensor distribution for patient vital sign monitoring. The lateral surface area excludes the top and bottom faces where the device attaches to the patient and the monitoring display is located.
    

    """
    LSA = 4 * (l * l)
    return LSA