Which of the following assignment statements creates a list with $4$ integer elements?

a$.$

my$\_$list $=[7,2,-8,16]$

b$.$

my$\_$list $=[4]$

c$.$

my$\_$list $=[\text{'}1\text{'},\text{'}2\text{'},\text{'}3\text{'},\text{'}4\text{'}]$

d$.$

my$\_$list $=$ integer$(4)$