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Threading

v43	v44
138	138	}}}
139	139
140		As with globals, ~~review is needed for~~
	140	As with globals, there are three types of class variables,
141	141	1. class variables that are assigned to when the class is defined and never modified later (THREAD-SAFE),
142	142	1. mutable class level data structures (lists and dictionaries, also instances) that are assigned to when the class is defined but whose elements are modified in methods and that are accessed without using the `__class__` keyword (NOT THREAD-SAFE),