DataFrame operations (1 Mark Questions)

1. To perform the operation row/column wise, which of the function should be used:
• pipe()
• apply()
• applymap()
• pivot()
2. groupby() can be used:
• Between two DataFrames
• Among two or more DataFrame
• Within a DataFrame
• Only on single column of a DataFrame
3. sort_values by default sort the values in:
• ascending
• descending
• does not have any default value
• Depends on data of DataFrame
4. A method that simply rename the index/column labels in Data Frame:
• reindex()
• rename()
• reindex_like()
• rename_columns()
5. ______________ method in Pandas can be used to change the index of rows and columns of a Series or Dataframe :
• rename()
• reindex()
• reframe()
• none of the above
6. What is pivoting?