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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def com_google_fonts_check_varfont_weight_instances(ttFont):
 """Variable font weight coordinates must be multiples of 100."""


  failed = False
  for instance in ttFont["fvar"].instances:
    if 'wght' in instance.coordinates and instance.coordinates['wght'] % 100 != 0:
      failed = True
      yield FAIL, ("Found an variable font instance with"
                  f" 'wght'={instance.coordinates['wght']}."
                   " This should instead be a multiple of 100.")

  if not failed:
    yield PASS, "OK"