Answer 1

https://code.sololearn.com/W0RaGFNu4YcE/?ref=app

This should help you

Answer 2

Please use the forum's search facility, many had posted similar questions, but your post here lacks a lot of details. For example what URL is used, is the image local (in device) or online etc.

Many possibilities can cause this, if you search the forum, you will find that different case has different solution, plus you will learn new things by reading the suggstions and/or solutions in others' posts

Answer 3

https://code.sololearn.com/WT3661NHpV3B/?ref=app