do not use slicing

$$ Built$-$In Functions

$$ Member Functions

$$ List Comprehension

$$ Sets and Set Testing

$$ Default Parameters

$$ Keyword Arguments

$$ Nested $($Local$)$ Function Definitions

$$ While$-$True or Improper Conditionals

$$ Structure Packing$/$Unpacking

$$ Multiple Assignment$/$Return

$$ Out$-$of$-$Bounds Indexing

$$ Global Scope and Local Overrides

$$ Containers and other Data Structures

$$ Break, Continue, Yield, Async, Await