A program that shows the top 10 game publisher which have the highest historical video game sales.

Data: Video Game Sales.

Question: What are the most popular historical game publisher?

Experience of answer:

• First, we need to accumulate the global sales of all the game publishers.
• To finish this, we group all the records by publisher as key. The value will be the sum of 'global_sales' of every year.
• Then we sort the records decreasingly, slice the record by 10 and present it to the bar chart.