def calculate_total_bright_light_number(light_intensity,
                                        bright_light_threshold = 0.95):
    """
    calculate the # of bright light.
    
    Parameters
    ----------
    light_intensity: array
        
    bright_light_threshold: float default = 0.95
        
    """
    bright_light_number = 0
    for intensity in light_intensity:
        if intensity >= bright_light_threshold:
            bright_light_number += 1
    return bright_light_number