* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.

* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.

app.py에서 render_template가 없다고 뜨는데 왜그런가요?

작성한 코드 및 에러 메세지

#코드 내용
from flask import Flask, render_template
app = Flask(__name__)


@app.route('/')
def home():
    return render_template('index.html')


if __name__ == '__main__':  
    app.run(debug=True)

# 에러메시지 내용
(.venv) jueunbiui-MacBookPro:Flask jueunbi$ python app.py
 * Serving Flask app 'app'
 * Debug mode: on
WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead.
 * Running on http://127.0.0.1:5000
Press CTRL+C to quit
 * Restarting with stat
 * Debugger is active!
 * Debugger PIN: 172-304-119
127.0.0.1 - - [13/Sep/2023 18:12:46] "GET / HTTP/1.1" 500 -
Traceback (most recent call last):
  File "/Users/jueunbi/Desktop/Eunbi/Flask/.venv/lib/python3.8/site-packages/flask/app.py", line 2213, in __call__
    return self.wsgi_app(environ, start_response)
  File "/Users/jueunbi/Desktop/Eunbi/Flask/.venv/lib/python3.8/site-packages/flask/app.py", line 2193, in wsgi_app
    response = self.handle_exception(e)
  File "/Users/jueunbi/Desktop/Eunbi/Flask/.venv/lib/python3.8/site-packages/flask/app.py", line 2190, in wsgi_app
    response = self.full_dispatch_request()
  File "/Users/jueunbi/Desktop/Eunbi/Flask/.venv/lib/python3.8/site-packages/flask/app.py", line 1486, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/Users/jueunbi/Desktop/Eunbi/Flask/.venv/lib/python3.8/site-packages/flask/app.py", line 1484, in full_dispatch_request
    rv = self.dispatch_request()
  File "/Users/jueunbi/Desktop/Eunbi/Flask/.venv/lib/python3.8/site-packages/flask/app.py", line 1469, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
  File "/Users/jueunbi/Desktop/Eunbi/Flask/app.py", line 6, in home
    return render_template('index.html')
  File "/Users/jueunbi/Desktop/Eunbi/Flask/.venv/lib/python3.8/site-packages/flask/templating.py", line 150, in render_template
    template = app.jinja_env.get_or_select_template(template_name_or_list)
  File "/Users/jueunbi/Desktop/Eunbi/Flask/.venv/lib/python3.8/site-packages/jinja2/environment.py", line 1081, in get_or_select_template
    return self.get_template(template_name_or_list, parent, globals)
  File "/Users/jueunbi/Desktop/Eunbi/Flask/.venv/lib/python3.8/site-packages/jinja2/environment.py", line 1010, in get_template
    return self._load_template(name, globals)
  File "/Users/jueunbi/Desktop/Eunbi/Flask/.venv/lib/python3.8/site-packages/jinja2/environment.py", line 969, in _load_template
    template = self.loader.load(self, name, self.make_globals(globals))
  File "/Users/jueunbi/Desktop/Eunbi/Flask/.venv/lib/python3.8/site-packages/jinja2/loaders.py", line 126, in load
    source, filename, uptodate = self.get_source(environment, name)
  File "/Users/jueunbi/Desktop/Eunbi/Flask/.venv/lib/python3.8/site-packages/flask/templating.py", line 64, in get_source
    return self._get_source_fast(environment, template)
  File "/Users/jueunbi/Desktop/Eunbi/Flask/.venv/lib/python3.8/site-packages/flask/templating.py", line 98, in _get_source_fast
    raise TemplateNotFound(template)
jinja2.exceptions.TemplateNotFound: index.html
127.0.0.1 - - [13/Sep/2023 18:12:46] "GET /?__debugger__=yes&cmd=resource&f=style.css HTTP/1.1" 304 -
127.0.0.1 - - [13/Sep/2023 18:12:46] "GET /?__debugger__=yes&cmd=resource&f=debugger.js HTTP/1.1" 304 -
127.0.0.1 - - [13/Sep/2023 18:12:46] "GET /?__debugger__=yes&cmd=resource&f=console.png HTTP/1.1" 304 -

Tip 1) </> 아이콘을 눌러 코드박스를 만들어 보세요.

Tip 2) Ctrl+A(맥의 경우 Command+A) 단축키로 코드를 한 번에 선택할 수 있어요!