input_output.txt

import sys

from xml.dom import minidom

def PrintXml(root, pad) :

	sys.stdout.write("\n%s%s : " % (' '*pad, root.tagName))
	for child in root.childNodes :
		if isinstance(child, minidom.Text) :
			if child.data[0] != "\n" :
				sys.stdout.write("%s" % child.data)
		else :
			PrintXml(child, pad+3)

dom = minidom.parse('sample.xml')
PrintXml(dom.documentElement, 3)
print("\n")

---------------------------------------------------------------

import sys

from xml.dom import minidom

def PrintXml (root, pad) : # {

	sys.stdout.write("\n%s%s : " % (' '*pad, root.tagName))
	for child in root.childNodes  : # {
		if isinstance(child, minidom.Text)  : # {
			if child.data[0] != "\n"  : # {
				sys.stdout.write("%s" % child.data)
			# }
		# }
		else  : # {
			PrintXml(child, pad+3)
		# }
	# }
# }

dom = minidom.parse('sample.xml')
PrintXml(dom.documentElement, 3)
print("\n")