code: def _numbered_style():
      
  
      style = ListStyle(name='_numbered_list')
  
      lls = ListLevelStyleNumber(level=1)
  
      lls.setAttribute('displaylevels', 1)
      lls.setAttribute('numsuffix', '. ')
      lls.setAttribute('numformat', '1')
  
      llp = ListLevelProperties()
      llp.setAttribute('listlevelpositionandspacemode', 'label-alignment')
  
      llla = ListLevelLabelAlignment(labelfollowedby='listtab')
      llla.setAttribute('listtabstopposition', '1.27cm')
      llla.setAttribute('textindent', '-0.635cm')
      llla.setAttribute('marginleft', '1.27cm')
  
      llp.addElement(llla)
  
      # llp.setAttribute('spacebefore', '')
      # llp.setAttribute('minlabelwidth', '')
      lls.addElement(llp)
  
      style.addElement(lls)
  
      return style
docs: Create a numbered list style.