update link formatting

sphs.py

# opens today's South Portland High School announcements in terminal/command prompt
import time
from bs4 import BeautifulSoup as clam_chowder
from urllib.request import urlopen

def main():
    dt1 = time.strftime("%Y/%m/%d")
    dt2 = time.strftime("%B-%-d-%Y")
    url = "http://highschool.spsd.org/riots/{}/{}/".format(dt1, dt2).lower()
    print(url)
    full_page = urlopen("{}".format(url)).read()
    announcement = str(clam_chowder(full_page, "lxml").article.get_text())

    print("{}".format(announcement))

if __name__ == "__main__":
    if time.strftime("%A") == "Saturday" or time.strftime("%A") == "Sunday":
        print("There's no school today. It's the weekend.")
        quit()
    else:
        main()