
    Calculate the total wall surface area requiring antimicrobial coating in a hospital isolation room, excluding the floor and ceiling, given the length of one wall in meters. The isolation room is perfectly cubic in shape, and all four walls must be completely coated to maintain sterile conditions for immunocompromised patients.
    

    
def lateralsurface_cube(l):
    """
    Calculate the total wall surface area requiring antimicrobial coating in a hospital isolation room, excluding the floor and ceiling, given the length of one wall in meters. The isolation room is perfectly cubic in shape, and all four walls must be completely coated to maintain sterile conditions for immunocompromised patients.
    

    """
def lateralsurface_cube(l):
    """
    Calculate the total wall surface area requiring antimicrobial coating in a hospital isolation room, excluding the floor and ceiling, given the length of one wall in meters. The isolation room is perfectly cubic in shape, and all four walls must be completely coated to maintain sterile conditions for immunocompromised patients.
    

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