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Solve at least 10 sample paper .Make sure that every question you learn and write within given time . ... Write a Pandas program to sort the data frame first by 'Designation' in Ascending order, then by 'Name' in Descending order. ... _____method is used to rename any index, column or row of a Series or Dataframe : 1 (i) rename() (ii) reindex() ................
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