Xml

import xml.etree.ElementTree as ET


tree = ET.parse("xml_lesson")
root = tree.getroot()
print(root.tag)


for i in root:
    print(i.tag)
    print(i.attrib)
    for j in i:
        #print(j.tag)
        #print(j.attrib)
        print(j.text)




# # 遍历xml文档
# for child in root:
#     print(child.tag, child.attrib)
#     for i in child:
#         print(i.tag, i.text)

# 只遍历year 节点
# for node in root.iter('year'):
#     print(node.tag, node.text)
# # ---------------------------------------

# import xml.etree.ElementTree as ET
#
# tree = ET.parse("xml_lesson")
# root = tree.getroot()

# 修改
# for node in root.iter('year'):
#     new_year = int(node.text) + 1
#     node.text = str(new_year)
#     node.set("updated", "yes")
#
# tree.write("xml_lesson")
#
# 删除node
# for country in root.findall('country'):
#     rank = int(country.find('rank').text)
#     if rank > 50:
#         root.remove(country)
#
# tree.write('output.xml')


# import xml.etree.ElementTree as ET
#
# new_xml = ET.Element("namelist")
#
# name = ET.SubElement(new_xml, "name", attrib={"enrolled": "yes"})
# age = ET.SubElement(name, "age", attrib={"checked": "no"})
# sex = ET.SubElement(name, "sex")
# sex.text = '33'
# name2 = ET.SubElement(new_xml, "name", attrib={"enrolled": "no"})
# age = ET.SubElement(name2, "age")
# age.text = '19'



# et = ET.ElementTree(new_xml)  # 生成文档对象
# et.write("test.xml", encoding="utf-8", xml_declaration=True)

#ET.dump(new_xml)  # 打印生成的格式