To help readability I tend to do something like this: f1 = (df["col1"] == condition1) f2 = (df["col2"] == condition2) df[f1 & f2] This is equivalent to the

To help readability I tend to do something like this: f1 = (df["col1"] == condition1) f2 = (df["col2"] == condition2) df[f1 & f2] This is equivalent to the 'pandas boolean indexing multiple conditions' method.