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WithoutBook LIVE Mock Interviews Pandas Related interview subjects: 13

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Ques 18

What is the purpose of the pivot_table() function?

pivot_table() is used to create a spreadsheet-style pivot table as a DataFrame.

Example:

pd.pivot_table(df, values='Value', index='Index', columns='Column', aggfunc=np.sum)
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Ques 20

Explain the purpose of the iterrows() function in Pandas.

iterrows() is used to iterate over DataFrame rows as (index, Series) pairs.

Example:

for index, row in df.iterrows(): print(index, row['Column'])
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Ques 30

Explain the purpose of the cut() function in Pandas.

cut() is used to segment and sort data values into bins.

Example:

pd.cut(df['Values'], bins=[0, 10, 20, 30], labels=['<10', '10-20', '20-30'])
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