array .reshape(2,4), Reshape the array to 2 rows and 4 columns, np .transpose(Array), Exchange the rows and columns in the array, df=pd .DataFrame(List), Create pandas DataFrame from the list, df .columns=(“Col1”,”Col2”), Add headers to two columns, df .index=("Row1"," Row2"), Add a header to two rows, df[“NewCol”]=[1, 2], Add a new column to the DataFrame

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