Summing it up in two points
Python provides very easy-to-use syntaxes so that even a novice programmer can learn Python and start delivering quality codes, yet it does not compromises on the powerful features that it provides. With respect to functions it gives a lot of flexibility to...
Data needs computation to get some information out. Size of data can be really huge. Huge data is broken down into chunks & stored across different systems.
difference between big data and spark, relationship between big data & spark