nested scope
The ability to refer to a variable in an enclosing definition. For
instance, a function defined inside another function can refer to
- variables in the outer function. Note that nested scopes by default work
- only for reference and not for assignment. Local variables both read and
- write in the innermost scope. Likewise, global variables read and write
- to the global namespace. The :keyword:`nonlocal` allows writing to outer
- scopes.
+ variables in the outer function. Note that nested scopes work only for
+ reference and not for assignment which will always write to the innermost
+ scope. In contrast, local variables both read and write in the innermost
+ scope. Likewise, global variables read and write to the global namespace.
new-style class
Any class which inherits from :class:`object`. This includes all built-in