python show repeted values in a column

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Jana
25 Nov 2018
1df = df[df.duplicated(subset=['val1','val2'], keep=False)]
2print (df)
3   id  val1  val2
40   1   1.1   2.2
51   1   1.1   2.2
63   3   8.8   6.2
74   4   1.1   2.2
85   5   8.8   6.2
source
Caterina
15 Feb 2018
1df = df[df.duplicated(subset=['val1','val2'], keep=False)]
source
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