$($d$)$ With the help of an example explain the significance of the $\_$ init$\_$ method.

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$($e$)$ Following information about three students is provided in the form of dictionary of lists: $($Rollno$"$: $\{1,2,3\},$ "Total": $[350\mathrm{.}5,400,420\},$ "Tereentage": $[70,80,84\}$

Create a dataframe and write the required set of statements in order to have this information in a tabular manner, Write the output as well.

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