1	hello	2018-12-14	1.1
2	world	2018-12-15	2.2
3	!	2018-12-16	3.3
2
1	world	2018-10-05	1.1
2	hello	2018-10-01	2.2
3	buy	2018-10-11	3.3
10003
10003
274972506.6
9175437371954010821
1.5555555555555	hello world!	[77]	['John']
7.1000000000000	xxxxxxxxxxxx	[127]	['Henry']