changed _A to dict, and added tests for times #1440

Job	Run time
runnable	0s
lint / lint	27s
test (3.9, true, true, ubuntu-latest)	7m 11s
test (3.9, true, true, macos-12)	11m 35s
test (3.9, true, false, ubuntu-latest)	6m 50s
test (3.9, true, false, macos-12)	8m 52s
test (3.9, true, false, macos-14)	5m 4s
test (3.9, false, false, ubuntu-latest)	5m 49s
test (3.9, false, false, macos-12)	7m 12s
test (3.9, false, false, macos-14)	3m 56s
test (3.12, true, false, ubuntu-latest)	7m 59s
test (3.12, true, false, macos-12)	9m 39s
test (3.12, true, false, macos-14)	4m 39s
	1h 19m 13s

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