python 配置文件如何使用?( 二 )


port = config['database']['port']
username = config['database']['username']
password = config['database']['password']
database = config['database']['database']
print(f'Connecting to {hostname}:{port} as {username} with password {password} to access database {database}')
```
此代码将打开 config.yaml 文件,并使用 yaml.safe_load() 函数将其读入名为 config 的字典中 。然后,它使用字典语法访问文件中的值 。

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