2. czekitout

czekitout is a Python library that contains a collection of functions that facilitate validation, and type-conversions, with useful error messages when exceptions are thrown.

check	Contains functions that facilitate validation with useful error messages when exceptions are thrown.
convert	Contains functions that facilitate type-conversions with useful error messages when exceptions are thrown.
isa	Contains functions that facilitate type-checking.
name	Contains a function that determines the fully-qualified class name of a given object or class.
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