I have data like this
Usr_ID Session_ID Degree
1 11 yes
1 12 yes
2 13 no
2 14 yes
3 15 no
4 16 yes
5 17 no
5 18 no
6 19 n/a
6 20 yes
I want output like this
Usr_ID Session_ID Degree
1 11 yes
2 14 yes
3 15 no
4 16 yes
5 17 no
6 20 yes
please help me, please don't mind about repetition this is different one
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