import re
loopstr = False
regexstr = False
def loopstrength(pword):
    global loopstr
    if len(pword) < 8:
        print("First test: not strong - password is too short.")
    elif not (any(c.isupper() for c in pword)):
        print("First test: not strong - password must contain at least one uppercase character.")
    elif not (any(c.islower() for c in pword)):
        print("Second test: not strong - password must contain at least one lowercase character.")
    elif not (any(c.isdigit() for c in pword)):
        print("Second test: not strong - password must contain at least one digit.")
    else:
        print("First test: strong")
        loopstr = True
    return loopstr

def regexstrength(pword):
    global regexstr
    #At least 8 characters
    regexlen = re.search(".{8,}", pword)
    #At least one upper
    regexup = re.search("[A-Z]+", pword)
    #At least one lower
    regexlo = re.search("[a-z]+", pword)
    #At least one digit
    regexdi = re.search("[0-9]+", pword)

    if regexlen is None:
        print("Second test: not strong - password is too short.")
    elif regexup is None:
        print("Second test: not strong - password must contain at least one uppercase character.")
    elif regexlo is None:
        print("Second test: not strong - password must contain at least one lowercase character.")
    elif regexdi is None:
        print("Second test: not strong - password must contain at least one digit.")
    else:
        print("Second test: strong")
        regexstr = True
    return regexstr

while True:
    usrpword = input("Enter a password (or 'quit' to exit): ")
    if usrpword == 'quit':
        print()
        break
    loopstrength(usrpword)
    regexstrength(usrpword)
    if loopstr == True and regexstr == True:
        print()
        break
    print()
print("Bye!")