用星号替换Pandas列中字符串的几个字符

import pandas as pd

data = {'col1': ['abcde', 'fghij', 'klmno']}
df = pd.DataFrame(data)

df['col1'] = df['col1'].str.replace('bcd', '***')

import pandas as pd

data = {'col1': ['abcde', 'fghij', 'klmno']}
df = pd.DataFrame(data)

df['col1'] = df['col1'].str.replace('bcd', '***')

print(df)

    col1
0  a***e
1  fghij
2  klmno