Question: What countries are represented in the data set? i.e., list all the unique country names. What are the top-10 countries with the most wine reviews?

What countries are represented in the data set? i.e., list all the unique country names.

  • What are the top-10 countries with the most wine reviews?
  • What is the median of the price?
  • Develop new column 'price_norm' by subtracting the median price from the price column. Use the DataFrame.apply method.
  • Develop new column 'bargain' which contains the points-to-price ratio. Which wine(s) is/are the "best bargain", e.g., which wine(s) has/have the highest points-to-price ratio in the dataset?

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