title: How to add a tagging or label(the same thing in a cad file) through ezdxf or dxfwrite of python?
body: <p>I want to born a file which can be open by CAD software.</p>
  
  <p>I choose the  library named 'ezdxf'.</p>
  
  <p>I get trouble when I want to add a label(or tagging, I mean,the function provide by CAD software to show the begin and end point of a line segment).</p>
  
  <p>I had tried to read the documents of the 'ezdxf',but did not found anything about the label or tagging(en,with my poor English and the Google translation).</p>
  
  <p>So, the question:</p>
  
  <p>If I want to born a file like 'XXX.dxf',which library of python has more function(s) and provide the function above ---- add a label or tagging?</p>