如何删除包含重复数字pandas python的行

import pandas as pd

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

duplicated_rows = df.duplicated()

df = df[~duplicated_rows]

import pandas as pd

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

duplicated_rows = df.duplicated()
df = df[~duplicated_rows]