python 读写yml

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#coding:utf-8 #pip install pyyaml import yaml import os   desired_caps = {                        'platformName': 'Android',                          'platformVersion': '7.0',                          'deviceName': 'ASRNW1111111111',                          'appPackage': 'com.tencent.com',                          'appActivity': 'ui.LauncherUI',                          'automationName': 'Uiautomator2',                          'unicodeKeyboard': True,                          'resetKeyboard': True,                          'noReset': True,                          'chromeOptions': {'androidProcess': 'com.tencent.com'}   }   curpath = os.path.dirname(os.path.realpath(__file__))   yamlpath = os.path.join(curpath, "cfgyaml.yaml")     def read_yml(file=yamlpath):     with open(file, 'r', encoding='utf-8') as f:         return yaml.load(f.read(), Loader=yaml.FullLoader)   def write_yml(file,data):     with open(file, 'w', encoding="utf-8") as f:         yaml.dump(data=data, stream=f,allow_unicode=True)                         if __name__ == "__main__":     write_yml(yamlpath,desired_caps)     result = read_yml()     print(result)     #{'appActivity': 'ui.LauncherUI', 'appPackage': 'com.tencent.com', 'automationName': 'Uiautomator2', 'chromeOptions': {'androidProcess': 'com.tencent.com'}, 'deviceName': 'ASRNW1111111111', 'noReset': True, 'platformName': 'Android', 'platformVersion': '7.0', 'resetKeyboard': True, 'unicodeKeyboard': True}