Q$3.$ Consider the following dataframe that we used throughout the lecture. The name of the dataframe is df$.$ Please write the outputs of each command given in the following.

brand year displ cyl tm hwy

$\backslash$table$[[$ID$,,,,,,],[1,$audi,$2001,1\mathrm{.}8,4,$auto,$29],[38,$dodge,$2003,2\mathrm{.}4,4,$manual,$24],[74,$dodge,$2005,5\mathrm{.}9,8,$auto,$15],[83,$ford,$1999,5\mathrm{.}0,8,$auto,$17],[99,$ford,$2008,5\mathrm{.}4,8,$manual,$20],[100,$honda,$2007,1\mathrm{.}6,4,$manual,$33],[154,$nissan,$2008,5\mathrm{.}6,8,$auto,$18],[173,$subaru,$2008,2\mathrm{.}5,6,$manual,$27],[199,$toyota,$2004,4\mathrm{.}7,8,$auto,$15],[213,$VW$,2000,1\mathrm{.}9,4,$manual,$44]]$

df $[\text{'}$year$\text{'}]<mtext\; id="EditorElement\_54266"></mtext><mn\; id="EditorElement\_54267">2</mn><mn\; id="EditorElement\_54268">0</mn><mn\; id="EditorElement\_54269">0</mn><mn\; id="EditorElement\_54270">1</mn><mtext\; id="EditorElement\_54271"></mtext><mi\; id="EditorElement\_54272">]</mi>$

df$.$iloc$[2][\text{'}$brand$\text{'}]$

$\text{'}$cyl$\text{'}].$unique $()$

$df[1]$

'year'$]$

manual"$][\text{'}$hwy$\text{'}],$ mean

df$.10c[1][\text{'}$brand$\text{'}]$