Formated string

Formatted string() function.
 str.format()(F' string  is one of the string formatting methods in Python3, which allows multiple substitutions and value formatting. This method lets us concatenate elements within a string through positional formatting.

You use it to visualize  the final outcome after you print and insert values as well


We can use this 

Once the programming and the text get more complicated it will harder to visualize the outcome

that means we need the f' and the curly brackets {} to the string