make histogram for total file size by days

[Anbang-Hu]

$ sudo python3 histogram.py --path <path> --days 34
[2020-10-19 19:18:56,075 - INFO] days ago       size (GB)
[2020-10-19 19:18:56,075 - INFO] 0      1468.3582886410877
[2020-10-19 19:18:56,075 - INFO] 1      709.6215736260638
[2020-10-19 19:18:56,075 - INFO] 2      577.0998826120049
[2020-10-19 19:18:56,075 - INFO] 3      459.8427809299901
[2020-10-19 19:18:56,075 - INFO] 4      1251.7743728617206
[2020-10-19 19:18:56,075 - INFO] 5      10271.437075431459
[2020-10-19 19:18:56,075 - INFO] 6      1199.1647198516876
[2020-10-19 19:18:56,075 - INFO] 7      556.5589274344966
[2020-10-19 19:18:56,075 - INFO] 8      317.9369520517066
[2020-10-19 19:18:56,075 - INFO] 9      213.85396896395832
[2020-10-19 19:18:56,075 - INFO] 10     748.8191577466205
[2020-10-19 19:18:56,075 - INFO] 11     210.0492247780785
[2020-10-19 19:18:56,075 - INFO] 12     123.60883410088718
[2020-10-19 19:18:56,075 - INFO] 13     427.86698233522475
[2020-10-19 19:18:56,075 - INFO] 14     717.4746003029868
[2020-10-19 19:18:56,075 - INFO] 15     341.98571278341115
[2020-10-19 19:18:56,075 - INFO] 16     546.9758343556896
[2020-10-19 19:18:56,076 - INFO] 17     630.520216036588
[2020-10-19 19:18:56,076 - INFO] 18     538.4486909303814
[2020-10-19 19:18:56,076 - INFO] 19     300.13003001827747
[2020-10-19 19:18:56,076 - INFO] 20     350.71200266480446
[2020-10-19 19:18:56,076 - INFO] 21     611.4994965866208
[2020-10-19 19:18:56,076 - INFO] 22     381.9180421102792
[2020-10-19 19:18:56,076 - INFO] 23     267.9953825119883
[2020-10-19 19:18:56,076 - INFO] 24     491.2641282696277
[2020-10-19 19:18:56,076 - INFO] 25     496.2480144817382
[2020-10-19 19:18:56,076 - INFO] 26     686.6349462522194
[2020-10-19 19:18:56,076 - INFO] 27     496.69367555808276
[2020-10-19 19:18:56,076 - INFO] 28     496.5165769169107
[2020-10-19 19:18:56,076 - INFO] 29     167.27367025893182
[2020-10-19 19:18:56,076 - INFO] 30     221.36339094210416
[2020-10-19 19:18:56,076 - INFO] 31     368.6097977757454
[2020-10-19 19:18:56,076 - INFO] 32     319.9538877410814
[2020-10-19 19:18:56,076 - INFO] 33     597.6020418303087
[2020-10-19 19:18:56,076 - INFO] inf    0.0
[2020-10-19 19:18:56,076 - INFO]
[2020-10-19 19:18:56,076 - INFO] total: 27565.812879692763 GB

[coveralls]

Pull Request Test Coverage Report for Build 3853

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 92.21%

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Totals
Change from base Build 3849:	0.0%
Covered Lines:	986
Relevant Lines:	1058

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💛 - Coveralls