How to calculate the difference days between two dates by using import date from datetime？（the dates must be input by user）.

Answer 1

You can specify your date format which you prefer and use my code :
https://code.sololearn.com/c790S6VkZTs7/?ref=app

Answer 2

okay👌🏻thank you so much

Answer 3

You can see this
https://code.sololearn.com/c67p6r62E7u5/?ref=app