Question $17$

View the following class definition then answer the question that follows.

class Date $()$:

def$\_\_$init$\_($self$,$ month, day, year, descr$)$:

self.month $=$ month

self. day $=$ day

self.year $=$ year

self.descr $=$ descr

def$\_$str$\_($self$)$:

return str$($self$.$month$)+\text{'}/\text{'}+$ str$($self$.$day$)+\text{'}/\text{'}+$ str$($self$.$year$)+\text{'}-\text{'}+$ self.descr

d$1=$ Date$(\text{'}01\text{'},\text{'}20\text{'},\text{'}2022\text{'},$ 'Start of semester'$)$

print$($d$1.$month$)$

print$($d$1)$

What are the attribute names in the above class definition? Check all that are valid attribute names.

day

self.ye

$\_$str

Date

self.month

object

self.descr

self.day