
    Calculate the total wall surface area that needs antimicrobial coating in a cubic medical isolation chamber, given the chamber's side length in meters, excluding the top and bottom surfaces. The resulting area will determine the amount of antimicrobial coating required for proper sterilization of the patient isolation unit.
    

    
def lateralsurface_cube(l):
    """
    Calculate the total wall surface area that needs antimicrobial coating in a cubic medical isolation chamber, given the chamber's side length in meters, excluding the top and bottom surfaces. The resulting area will determine the amount of antimicrobial coating required for proper sterilization of the patient isolation unit.
    

    """
def lateralsurface_cube(l):
    """
    Calculate the total wall surface area that needs antimicrobial coating in a cubic medical isolation chamber, given the chamber's side length in meters, excluding the top and bottom surfaces. The resulting area will determine the amount of antimicrobial coating required for proper sterilization of the patient isolation unit.
    

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