사전준비
pyspark 설치
바탕화면 우클릭 : git bash here
→ mkdir pyspk_project
mkdir pyspk_project
→ cd pyspk_project
cd pyspk_project
→ code .
code .
→ git bash 터미널
→ virtualenv venv
virtualenv venv
→ source venv/Scripts/activate
source venv/Scripts/activate
→ pip install pyspark
pip install pyspark