
    Calculate the total wall surface area that requires antimicrobial coating for a medical isolation chamber, excluding the floor and ceiling, given the chamber's edge length in meters. The isolation chamber is a perfect cube, and all four walls must be completely coated to maintain sterile conditions for patient safety.
    

    
def lateralsurface_cube(l):
    """
    Calculate the total wall surface area that requires antimicrobial coating for a medical isolation chamber, excluding the floor and ceiling, given the chamber's edge length in meters. The isolation chamber is a perfect cube, and all four walls must be completely coated to maintain sterile conditions for patient safety.
    

    """
def lateralsurface_cube(l):
    """
    Calculate the total wall surface area that requires antimicrobial coating for a medical isolation chamber, excluding the floor and ceiling, given the chamber's edge length in meters. The isolation chamber is a perfect cube, and all four walls must be completely coated to maintain sterile conditions for patient safety.
    

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