how to remove a specific word from a row of one column and paste the removed substring to another column using python

Question

remove words = ['apple','banana']

col A
apple is good

after removal

col A
is good

col removed word

apple

Answer 1

import pandas as pd

remove_words = ['apple','banana']

df = pd.DataFrame([
    ['apple is good'],
    ['banana is bad'],
    ['banana is good and apple is bad']
], columns=['col A'])
print(df)

df['col removed word'] = df['col A'].apply(
    lambda t: [w for w in remove_words if w in t.split()]
)
df['col A'] = df['col A'].apply(
    lambda t: ' '.join([w for w in t.split() if w not in remove_words])
)
print(df)

prints

index	col A
0	apple is good
1	banana is bad
2	banana is good and apple is bad

index	col A	col removed word
0	is good	apple
1	is bad	banana
2	is good and is bad	apple,banana