https://www.coursera.org/articles/python-vs-java

But, between Python and Java, i will gladly choose Python because it is much fun and easier to learn than Java 😄

For starters maybe you can try this gentle steps

https://github.com/Asabeneh/30-Days-Of-Python

If you want to continue with more structured and detailed courses then you can probably check

https://www.codecademy.com/catalog/language/python