Search for a value anywhere in a pandas DataFrame

Question

This seems like a simple question, but I couldn\'t find it asked before (this and this are close but the answers aren\'t great).

The question is: if I want to searc

Answer 1

You can perform equality comparison on the entire DataFrame:

df[df.eq(var1).any(1)]

Another option is using numpy comparison:

df[(df.values.ravel() == var1).reshape(df.shape).any(1)]