Pandas Drop Row durch Bedingung
df = df.drop(df[df.score < 50].index)
Outrageous Osprey
df = df.drop(df[df.score < 50].index)
a_dataframe.drop(a_dataframe[a_dataframe.B > 3].index, inplace=True)
df = df.drop(df[(df.score < 50) & (df.score > 20)].index)
df = df.drop(some labels)
df = df.drop(df[<some boolean condition>].index)