dictGet
(-0.1,0)	Click South	423	423
(0,-1.1)	Click West	424	\N
(0,1.1)	Click North	422	\N
(0.1,0)	Click East	421	421
(3,3)	qqq	10	20
dictGetOrDefault
(-0.1,0)	Click South	423	423
(0,-1.1)	Click West	424	\N
(0,1.1)	Click North	422	\N
(0.1,0)	Click East	421	421
(3,3)	DefaultName	30	40
dictHas
(-0.1,0)	1	1	1
(0,-1.1)	1	1	1
(0,1.1)	1	1	1
(0.1,0)	1	1	1
(3,3)	0	0	0
check NaN or infinite point input