[英]I am unable to drop specific values in a data frame in python
在您的 colab 中, df1
是另一個df
的副本,因此您無法真正更改其列的值。 你應該做:
df1 = df[['FROM', 'ATTENDANCE']].copy()
df1['FROM'] = df1['FROM'].str.strip()
df2 = df1.drop_duplicates(keep='last')
Output:
FROM ATTENDANCE
2 Usha Dubey PRESENT
9 Pranjal Srivastava PRESENT
11 Jagriti Gupta PRESENT
12 Samaksh X A PRESENT
13 Bhavya Malik PRESENT
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