Step 1: Import datetime.
Step 2: Print day of the week.
Step 3: Print week number.
Step 4: Print day of the year.

import datetime

print("Day of the week: ", datetime.date.today().strftime("%A"))
print("Week number: ", datetime.date.today().strftime("%W"))
print("Day of the year: ", datetime.date.today().strftime("%j"))

Day of the week:  Sunday
Week number:  06
Day of the year:  045