I have the following data:
userid itemid
1 1
1 1
1 3
1 4
2 1
2 2
2 3
How can I drop duplicated items (not the index) to make the following DataFrame
:
userid itemid
1 1
1 3
1 4
2 1
2 2
2 3
Can someone help me?
import pandas as pd
df = pd.DataFrame({'userid':[1,1,1,1, 2,2,2],
'itemid':[1,1,3,4, 1,2,3] })