input: Write a python function to find the total time an animation takes to play in an HTML page.
  assert get_total_animation_time('<div class="sprite1" data-duration-seconds="2.2"></div><div class="sprite2" data-duration-seconds="1.2"></div>') == 3.4
  assert get_total_animation_time('<div class="sprite" data-duration-seconds="3.0"></div>') == 3.0
  assert get_total_animation_time('<div class="sprite1" data-duration-seconds="1.1"></div><div class="sprite2" data-duration-seconds="2.2"></div><div class="sprite3" data-duration-seconds="3.3"></div>') == 6.6
output: def get_total_animation_time(html):
      import re
      durations = re.findall(r'data-duration-seconds="([\d\.]+)"', html)
      total_time = sum(float(duration) for duration in durations)
      return total_time