text: indent = 3
  key = "foo"
  print('\n%s%*s' % (indent, len(key)+3, 'Hello'))  # ok: variable length
  
  print("%.*f" % (indent, 1.2345))
  def myprint(x, *args):
  	print("%.3f %.4f %10.3f %1.*f" % (x, x, x, 3, x))
  
  myprint(3)
  
  