import xml.etree.ElementTree as etree

#Load the xml file into memory. 
tree = etree.parse("orgchart.xml")

#Get a pointer to the root node
root = tree.getroot()

#print the tag name of the root node.
print(root.tag)   


#Iterate through all the root's children (CEO/President)
for child in root:
   #print the name attribute from the attrib dictionary.
   print( " " + child.attrib['name'])  
   #Print salary attribute (if it exists!)
   print( " -" + child.attrib.get('salary',"N/A")  )

   #Get a list of nodes with the name "vp" that are contained by 
   #this child node.
   vps = child.findall("vp")
   #Note that vps will be an empty list for the CEO node,
   #but will contain 3 VP objects for the president node.
   
   #Iterate through the VP child nodes if the list isn't empty...
   for vp in vps:       
       print("   " + vp.attrib['name'])  
       print("   -" + vp.text)