Data Wrangling on Olympics Dataset

The objective of this workflow is to explore the Olympics dataset and
- to visualize among the summer and winter olympics, which is a better event in terms of the number of medals won.
- to find out the top 10 performing teams at summer event and winter event.
- to find out the top performing country iin both events in terms of gold medals won.
- to find out the best performing country in terms of points earned and it's medal tally.