TIP: Like the column of a dataframe, you can access an element of a list with the symbol '$' (or '[[' which is specific to lists).

Exercise 7:

• Create the previous chd8Info structure in one command (without using intermediate variables)
• Display the gene name of chd8Info.
• Display the second alias (Description) of Chd8.
• Display the third and fifth alias (Description) of Chd8.
• Retrieve the Entrez gene ID of CHD8.