ask the user enter the date in the format YYYY-MM-DD
1.what age of user in days;
2.what day of week (in German language) was the birth.
import datetime
b = int(input('Enter your birthdate: '))
bb = datetime(b, '%Y-%m-%d')
a = datetime.date.today()
c = a-bb
print(c)
from datetime import datetime
d = input("Enter the date of birth: ")
print(d.strftime('%A'))