!echo $PYTHONPATH

/Users/wxnacy/PycharmProjects/study/notebook

import config
config.DATABASE_URL

'mysql://root:wxnacy@127.0.0.1:3306/study?charset=utf8mb4'

from datetime import date
print(date.today())
print(type(date.today()))
print("w")

2020-07-13
<class 'datetime.date'>
w

print("W")