adding day 3
adding day 3

raazesh-sainudiin/scalable-data-science,raazesh-sainudiin/scalable-data-science,lamastex/scalable-data-science,lamastex/scalable-data-science,raazesh-sainudiin/scalable-data-science,raazesh-sainudiin/scalable-data-science,lamastex/scalable-data-science,lamastex/scalable-data-science,lamastex/scalable-data-science,lamastex/scalable-data-science