
    Calculate the total external surface area (excluding top and bottom) of a medical waste disposal cylinder to determine the required biohazard warning label coverage, where r represents the radius of the cylinder in centimeters and h represents the height in centimeters. This calculation is essential for compliance with hospital safety protocols and proper hazardous material handling procedures.
    

    
def lateralsuface_cylinder(r, h):
    """
    Calculate the total external surface area (excluding top and bottom) of a medical waste disposal cylinder to determine the required biohazard warning label coverage, where r represents the radius of the cylinder in centimeters and h represents the height in centimeters. This calculation is essential for compliance with hospital safety protocols and proper hazardous material handling procedures.
    

    """
def lateralsuface_cylinder(r, h):
    """
    Calculate the total external surface area (excluding top and bottom) of a medical waste disposal cylinder to determine the required biohazard warning label coverage, where r represents the radius of the cylinder in centimeters and h represents the height in centimeters. This calculation is essential for compliance with hospital safety protocols and proper hazardous material handling procedures.
    

    """
    lateralsurface = 2 * 3.1415 * r * h
    return lateralsurface