Answers for "Which of the following statement drop the rows from the dataframe where all elements are missing? df.dropna(how='all') df.dropna(axis=1, how='all') df.dropna() df.dropna(axis=1, NaN='all')"

dropna pandas

>>> df.dropna(axis='columns')
       name
0    Alfred
1    Batman
2  Catwoman

Posted by: Guest on April-02-2020

dropna pandas

>>> df.dropna(inplace=True)
>>> df
     name        toy       born
1  Batman  Batmobile 1940-04-25

Posted by: Guest on April-11-2021

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