requests 모듈이 없다고 오류가 발생합니다.

active test 변경을 어떻게 하나요ㅠ pip : The term 'pip' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again. At line:1 char:1 + pip install json + ~~~ + CategoryInfo : ObjectNotFound: (pip:String) [], CommandNotFoundException + FullyQualifiedErrorId : CommandNotFoundException 이렇게 뜨는데 어떻게 해야할지 모르겠어요ㅠ