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Python extract values that have different values in a column

How to get distinct value in a column dataframe in python

df.column.unique()

Source: chrisalbon.com

Python extract values that have different values in a column

df = pd.DataFrame({'author':['a', 'a', 'b'], 'products':['sr1', 'sr2', 'sr2']}) # Create df

group = df.groupby('author') # Group by author used as index
df2 = group.apply(lambda x: x['subreddit'].unique()) # List of all product per author
df2 = df2.apply(pd.Series) # Split products in multiple columns

Source: stackoverflow.com

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