old_contents: #! /bin/python
  import argparse
  from xml.dom import minidom
  
  parser = argparse.ArgumentParser(description='Parse a dive in xml formt.')
  parser.add_argument('-f', '--file',  required=True,
  					dest='path', help='path to xml file')
  
  args = parser.parse_args()
  path = args.path
  doc = minidom.parse(path)
  nodes = doc.getElementsByTagName('Dive.Sample')
  
  for node in nodes:
  	depth = (float(node.childNodes[2].childNodes[0].nodeValue) / 10 )+ 1
  	time = float(node.childNodes[8].childNodes[0].nodeValue) / 60
  	
  	print ("%.2f %.2f" % (time , depth))
new_contents: #! /bin/python
  import argparse
  from xml.dom import minidom
  
  parser = argparse.ArgumentParser(description='Parse a dive in xml formt.')
  parser.add_argument('-f', '--file',  required=True,
  					dest='path', help='path to xml file')
  
  args = parser.parse_args()
  path = args.path
  doc = minidom.parse(path)
  nodes = doc.getElementsByTagName('Dive.Sample')
  
  for node in nodes:
      if node.hasChildNodes() and len(node.childNodes) > 8:
          for subNode in node.childNodes:
              if (subNode.nodeName == "Depth" and subNode.hasChildNodes()):
                  depth = (float(subNode.childNodes[0].nodeValue) / 10) + 1
              if (subNode.nodeName == "Time" and subNode.hasChildNodes()):
                  time = float(subNode.childNodes[0].nodeValue) / 60
  
      print ("%.2f %.2f" % (time , depth))
  
subject: Add a correct parsing of the file