4.3.3 遍历式全盘读取xml数据

from xml.etree import ElementTree as ET
content = """
<data>
    <country name="Liechtenstein">
        <rank>2</rank>
        <year>2023</year>
        <gdppc>141100</gdppc>
        <neighbor direction="E" name="Austria" />
        <neighbor direction="W" name="Switzerland" />
    </country>
     <country name="Panama">
        <rank>69</rank>
        <year>2026</year>
        <gdppc>13600</gdppc>
        <neighbor direction="W" name="Costa Rica" />
        <neighbor direction="E" name="Colombia" />
    </country>
</data>
"""
# 获取根标签 data
root = ET.XML(content)
# 获取data标签的孩子标签
for child in root:
    # child.tag = conntry
    # child.attrib = {"name":"Liechtenstein"}
    print(child.tag, child.attrib)
    for node in child:
        print(node.tag, node.attrib, node.text)