<human>:  How to decode a 'url-encoded' string in python
<bot>: Here is some code to decode a double URL encoded string 
'FireShot3%2B%25282%2529.png' to
'FireShot3+(2).png'

urllib.parse.unquote(urllib.parse.unquote('FireShot3%2B%25282%2529.png'))

#Warning: this code generation is experimental. Please inspect the code for any bugs before executing.