从pandas DataFrame中删除名称包含特定字符串的列

import pandas as pdimport numpy as nparray=np.random.random((2,4))df=pd.Dataframe(array, columns=('Test1', 'toto', 'test2', 'riri'))print df      Test1      toto     test2      riri0  0.923249  0.572528  0.845464  0.1448911  0.020438  0.332540  0.144455  0.741412cols = [c for c in df.columns if c.lower()[:4] != 'test']df=df[cols]print df       toto      riri0  0.572528  0.1448911  0.332540  0.741412