new_contents: import numpy as np
  from h5md_module import File, element
  
  with File('example_for_1.1.h5', 'r') as f:
      all_particles = f.particles_group('all')
      assert 'id' not in all_particles
  
      for loc, name in (
          (f['observables'], 'v'),
          (all_particles, 'mass'),
          (all_particles['box'], 'edges'),
          (all_particles, 'position'),
          (all_particles, 'force'),
          (all_particles, 'velocity'),
      ):
          el = element(loc, name)
          print '---------------------------------------------------------------'
          print '%-10s ----------------------------------------------------' % name
          print el.element_type
          print el.value.shape, el.step, el.step_offset, el.time, el.time_offset, el.value
  
subject: add read.py that load the datafile example_for_1.1.h5