dataframe删除某一列

drop

import pandas as pd

data = {‘A’: [1, 2, 3], ‘B’: [4, 5, 6], ‘C’: [7, 8, 9]}
df = pd.DataFrame(data)

#使用drop方法删除列
df = df.drop(‘B’, axis=1) # 通过指定列名和axis=1来删除列

del

import pandas as pd

data = {‘A’: [1, 2, 3], ‘B’: [4, 5, 6], ‘C’: [7, 8, 9]}
df = pd.DataFrame(data)

#使用del语句删除列
del df[‘B’]