C:\Users\Samsung\Desktop\SPARTA-STUDY\3주차>expo 

start

WARNING: expo-cli has not yet been tested against Node.js v18.7.0.

If you encounter any issues, please report them to https://github.com/expo/expo-cli/issues     ;

expo-cli supports following Node.js versions:   

* >=12.13.0 <15.0.0 (Maintenance LTS)

* >=16.0.0 <17.0.0 (Active LTS)

Starting project at C:\Users\Samsung\Desktop\SPARTA-STUDY\3주차

Unable to find expo in this project - have you run yarn / npm install yet?

이렇게 나옵니다.