Convert concat to f-string

[pyr0ball]

For a variety of reasons, when working with strings in Python, it's far better to use the print(f) function than to concatenate, including readability and execution optimization. Concatenation creates a copy of the string in memory for each new token, while the print(f) function avoids doing this.

An example:

I'll be working through code and replacing these snips whenever I find them. Please reference this issue in your commits if you push any changes related to converting concats to print(f)