Initialize a list named 'letters' with the elements $\text{'}$A$\text{'},\text{'}$B$\text{'},\text{'}$C$\text{'},\text{'}$D$\text{'},\text{'}$E$\text{'}.$

Print the element at index $2$ of the 'letters' list.

Print the elements from index $2$ to index $4($inclusive$)$ of the 'letters' list.

Print the length of the 'letters' list.

Print the first element $($index $0)$ of the 'letters' list.

Print the last element $($index $-1)$ of the 'letters' list.

Create a variable named 'grade' and assign it the value of the element at index $2$ of the 'letters' list.

Print the value of the 'grade' variable.