Challenge - Find the Most Popular Item

In this challenge, you need to solve a few problems, such as the apply() function.

Challenge - Find the most popular item

In this task, you need to do the following things:

  • Load the raw_data.csv to the DataFrame object.
  • Group data based on the Item ID column.
  • Get the most popular item based on the count.
  • Return the Item ID and the corresponding count of the most popular item.

Both of them should be an integer.

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