
    Design an algorithm to calculate the total visible display area of a cylindrical interactive learning pod, excluding its top and bottom surfaces, where students can access personalized educational content. The display area must account for the pod's radius (r) which determines content width, and height (h) which shows the learning progression sequence. The solution will help educators optimize content layout and ensure proper visibility for all students using these adaptive learning stations.
    

    
def lateralsuface_cylinder(r, h):
    """
    Design an algorithm to calculate the total visible display area of a cylindrical interactive learning pod, excluding its top and bottom surfaces, where students can access personalized educational content. The display area must account for the pod's radius (r) which determines content width, and height (h) which shows the learning progression sequence. The solution will help educators optimize content layout and ensure proper visibility for all students using these adaptive learning stations.
    

    """
def lateralsuface_cylinder(r, h):
    """
    Design an algorithm to calculate the total visible display area of a cylindrical interactive learning pod, excluding its top and bottom surfaces, where students can access personalized educational content. The display area must account for the pod's radius (r) which determines content width, and height (h) which shows the learning progression sequence. The solution will help educators optimize content layout and ensure proper visibility for all students using these adaptive learning stations.
    

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