Weeks and days before birthday

days = int(input("How many days before your birthday: "))
weeks = days // 7
extraDays = days % 7
message = "There are {} weeks "
if extraDays > 0:
    message += "and {} days "
    
message += "before your birthday!"

if extraDays > 0:
    print(message.format(weeks, extraDays))
else:
    print(message.format(weeks))