FIGURE Q$2$ shows the dataframe named as dfgrade, that contains marks and details of students.

name

Cartol

Mike

John

Chew

Hafis

id

programme

coursework

$40\mathrm{.}1$

$38\mathrm{.}7$

$39\mathrm{.}0$

$425$

$38\mathrm{.}0$

$1111$ BIS

$1112$ BIT

$1113$ BIT

$1114$ BIT

$1115$ BIS

FIGURE Q$2$: dfgrade dataframe

Based on the digrade dataframe, determine the output of the following code snippets:

dfgrade$[2]$

dfgrade$[2,1$

dfgrade$($c$(1,4),1$

dfgrade$5$coursework