corrected and added comments
corrected and added comments

vivekiitkgp/sequenceserver,aldermossy/sequenceserver,jasminZ/sequenceserver,jasminZ/sequenceserver,yeban/sequenceserver,jasminZ/sequenceserver,vivekiitkgp/sequenceserver,elsiklab/sequenceserver,lepbase/lepbase-sequenceserver,deepakunni3/sequenceserver,IsmailM/sequenceserver,IsmailM/sequenceserver,aldermossy/sequenceserver,deepakunni3/sequenceserver,yeban/sequenceserver,IsmailM/sequenceserver,lepbase/lepbase-sequenceserver,yeban/sequenceserver,yeban/sequenceserver,elsiklab/sequenceserver,deepakunni3/sequenceserver,aldermossy/sequenceserver,aldermossy/sequenceserver,vivekiitkgp/sequenceserver,lepbase/lepbase-sequenceserver,elsiklab/sequenceserver