Yml

import yaml

# YAML 파일 로드
with open('config.yml') as f:
    config = yaml.safe_load(f)

# 값 접근
print(config['app']['name'])  # "My Awesome App"
print(config['database']['production']['credentials']['username'])  # "admin"

# 리스트 항목 접근
for feature in config['app']['features']:
    print(feature)

app:
  name: "My Awesome App"
  version: 2.3.1
  features:
    - "authentication"
    - "data_export"
    - "notifications"
  settings:
    cache_enabled: true
    max_retries: 3
    allowed_file_types: [".jpg", ".png", ".pdf"]