PEP 8 Deprecation Warnings

[cyschneck]

PEP 8 Update

Update function and variables names to adhere to PEP 8 style guides. Backwards compatibility maintained with FutureWarning when using original function/variable names that will eventually be dropped

• Convert .format to f-strings
• Group imports in alphabetical ordered groups (standard library imports, related third party imports, local specific imports)
• Function names are lowercase and snakecase
• Type Hints
• Backend function names preceded by underscore
• Overview of each script in header and within each function