Copy the code below into a code cell, and then execute that cell.

students $=\{$

$146832$:$\{\text{'}$first$\text{'}$:'Brendan', 'last':'Small'$\},$

$147354$:$\{\text{'}$first$\text{'}$:'Melissa', 'last':'Robbins'$\},$

$149126$:$\{\text{'}$first$\text{'}$:'Jason', 'last':'Penopolis'$\},$

$149735$:$\{\text{'}$first$\text{'}$:'Fenton', 'last':'Mulley'$\}$

$\}$