DataFrame Python unikalne wartości wiersze
# get the unique values (rows)
df.drop_duplicates()
LuluIsco
# get the unique values (rows)
df.drop_duplicates()
1
# get the unique values (rows) by retaining last row
2
df.drop_duplicates(keep='last')
list(people.groupby(['PostalCode', 'Age']).groups)