flask_web virtualenv flask_web cd flask_web Scripts \a ctivate.bat > (flask_web) c: \a pps \f lask_web > 烧瓶라이브러리설치 pip install flask requirements.txt下载라이브러리관리 pip freeze > requirements.txt app.py음과음과음과추추가 from flask import Flask , render_template app = Flask ( __name__ ) app . debug = True