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Exercise

Rating the weather conditions

In the previous exercise, you counted the number of bad weather conditions each day. In this exercise, you'll use the counts to create a rating system for the weather.

The counts range from 0 to 9, and should be converted to ratings as follows:

  • Convert 0 to 'good'
  • Convert 1 through 4 to 'bad'
  • Convert 5 through 9 to 'worse'
Instructions
100 XP
  • Count the unique values in the bad_conditions column and sort the index. (This has been done for you.)
  • Create a dictionary called mapping that maps the bad_conditions integers to strings as specified above.
  • Convert the bad_conditions integers to strings using the mapping and store the results in a new column called rating.
  • Count the unique values in rating to verify that the integers were properly converted to strings.
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