python - How to delete a row in a dataframe when a column value is nan?

Question

When the value of just my luck is nan, delete the two lines Jack Matthews and Micheal Phillips.

曾经蜡笔没有小新 · Answer

Two methods:
1. Delete the line where just my luck is NaN

    indexs = list(df[np.isnan(df['just my luck'])].index)
    df = df.drop(indexs)

2. Get the row where just my luck is not NaN

    df = df[np.isnan(df['just my luck']) == False]

巴扎黑 · Answer

df = df.dropna(subset=["just my luck"])