from time import sleep
import re
def password_check():
    print("Hello! And welcome to my password strength checker\n")
    print("Just type your password in and you will receive tips about how to make it better")
    print("--------------------------------------------------------------------------------")

    score = 5
    password = input("Enter a password please\n")
    nmatches = re.findall("[0-9]",password)
    print("You have",len (nmatches),"Numerical value(s) in your password")
    amatches = re.findall("[A-Z]",password)
    print("You have",len(amatches),"Upper case character(s) in your password")
    smatches = re.findall("[!-?]",password)
    print("You have",len(smatches)," special characters in yourpassword")
    print("Your password is",len(password),"character(s) long\n")
    print("---------------------------------------------------------")
    nums = len(nmatches)
    chars = len(amatches)
    if nums <2:
        print("You might want to include more numbers in your password\n")
        score-=1
    else:
        print("You have enough numbers in your password\n")
        score+=1

    if chars <2:
        print("You might want to include more capitals in your password\n")
        score-=1
    else:
        print("You have enough capitals\n")
        score+=1

    common = ["qwerty","1234","123456","password","password123","asdf","Password123","PASSword123","PASSWORD","abcdef","incorrect"]
    if password in common:
        print("Your password is a common password!!\n")
        score-=2
    else:
        print("Your password does not seem to be a common password\n")
        score+=1

    if len(password)<8:
        print("Your password is too short!")
        score-=1
    else:
        print("Your password's length is fine")
        score+=1
    if len(smatches) <1:
        print("You have no special characters!")
    else:
        print("You have enough special characters")
        score+=1
    print("I would give your password a score of...",str(score),"Out of a possible 10\n")
    print("--------------------------------------------------------------")
    print("SOME TIPS:")
    if score>6:
        print("Well done, you seem to have a fairly strong password.")
        sleep(1)
        print("Brute force may not be the option here\n")
    else:
        print("Your password is a little too weak.\n")
        sleep(1)
        print("I'm sure it wouldn't take too long to crack this password with a computer\n")

    if password in common:
        print("Please change your password at once, brute force would crack this in no time\n")
password_check()
again = input("Do u want to check another password?").lower()
agreed = ["yes","yeah","y","yeh","da","oui","si","why not","sure","indeed","go ahead","righto","correct","of course"]
if again in agreed:
    password_check()
    input("Press the enter key to exit")
else:
    print("OK, goodbye")
    input("Press the enter key to exit")