
    Calculate the total length of antimicrobial copper strips needed for installation along all edges of a square hospital isolation room, given the room's side length in meters. The copper strips must be installed continuously without gaps to maintain proper infection control standards.
    

    
def square_perimeter(a):
    """
    Calculate the total length of antimicrobial copper strips needed for installation along all edges of a square hospital isolation room, given the room's side length in meters. The copper strips must be installed continuously without gaps to maintain proper infection control standards.
    

    """
def square_perimeter(a):
    """
    Calculate the total length of antimicrobial copper strips needed for installation along all edges of a square hospital isolation room, given the room's side length in meters. The copper strips must be installed continuously without gaps to maintain proper infection control standards.
    

    """
    perimeter = 4 * a
    return perimeter