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Questions on DataFrame. 1. Which function in pandas that helps to perform a number of operations on a dataframe ... 36. A dataframe fdf stores data about passangers, flights and years. First few rows of . dataframe are shown below. Year. Month. Passenger. 0. 2009. January. 120. 1. 2009. February. 125. 2. 2009. March. 130. 3. 2009. April. 128. 4 ... ................
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