# 运行前，请先安装pyyaml模块
# pip3 install -i https://pypi.douban.com/simple/ pyyaml==5.1.1

import yaml
import os

f = open(r'test.yaml')
y = yaml.load(f, Loader=yaml.SafeLoader)
print(y)

a = {'name': 'Tom Smith', 'age': 37, 'spouse': {'name': 'Jane Smith', 'age': 25}, 'children': [{'name': 'Jimmy Smith', 'age': 15}, {'name1': 'Jenny Smith', 'age1': 12}]}
c = yaml.dump(a)
print(c)

name: Tom Smith
age: 37
spouse:
    name: Jane Smith
    age: 25
children:
 - name: Jimmy Smith
   age: 15
 - name1: Jenny Smith
   age1: 12