diff --git a/users.py b/users.py
index 8d6155e..a088452 100644
--- a/users.py
+++ b/users.py
@@ -2,69 +2,77 @@
 import hashlib
 
 class User:
-    def __init__(self, username, pwhash):
-        self.name = username
-        self.pwhash = pwhash
-        self.scores = []
+	def __init__(self, username, pwhash):
+		self.name = username
+		self.pwhash = pwhash
+		self.scores = []
 
-def create_hash(username, password):
-    hasher = hashlib.sha256()
-    hasher.update(username.encode('utf-8'))
-    hasher.update(password.encode('utf-8'))
-    return hasher.digest()
+	def login_user(users):
+	username, hashed_pw = get_username_password()
+	if username not in users:
+		print("User does not exist")
+	elif hashed_pw != users[username].pwhash:
+		print("Wrong password!")
+	return users[username]
+
+	def get_score(user):
+		score = int(input("Provide score"))
+		user.scores.append(score)
+
+	def get_username_password():
+	username = input("Enter username: ")
+	password = input("Enter password: ")
+	hashed_pw = create_hash(username, password)
+	if hashed_pw == None:
+		get_username_password()
+	return username, hashed_pw
 
-def get_username_password():
-    username = input("Enter username: ")
-    password = input("Enter password: ")
-    hashed_pw = create_hash(username, password)
-    return username, hashed_pw
+	def create_user():
+		username, hashed_pw = get_username_password()
+		return User(username, hashed_pw)
 
-def create_user():
-    username, hashed_pw = get_username_password()
-    return User(username, hashed_pw)
 
-def login_user(users):
-    username, hashed_pw = get_username_password()
-    if username not in users:
-        print("User does not exist")
-    elif hashed_pw != users[username].pwhash:
-        print("Wrong password!")
-    return users[username]
+def create_hash(username, password):
+	hasher = hashlib.sha256()
+	hasher.update(username.encode('utf-8'))
+	if len(password) < 10 or len(password) > 2^32-1: 
+		print("Silly wabbit cannot hiaev pazzwerdz *tsktsktsk*")
+		return None
+	hasher.update(password.encode('utf-8'))
+	return hasher.digest()
+
 
-def get_score(user):
-    score = int(input("Provide score"))
-    user.scores.append(score)
 
 if __name__ == "__main__":
-    try:
-        f = open("userdb", 'rb')
-        users = pickle.load(f)
-    except Exception as e:
-        users = {}
-    done = False
-    user = None
-    while not done:
-        command = input("Input command (h for help): ")
-        if command == 'c':
-            user = create_user()
-            users[user.name] = user
-        elif command == 'l':
-            user = login_user(users)
-        elif command == 'v':
-            print(user.name + " - " + str(user.scores))
-        elif command == 's':
-            get_score(user)
-        elif command == '':
-            done = True
-        elif command == 'h':
-            print("c - create user")
-            print("l - login to existing user")
-            print("v - view scores for current user")
-            print("s - input score for current user")
-            print("h - show this help")
-            print("blank line to quit")
-        with open("userdb", 'wb') as f:
-            pickle.dump(users, f)
-    f.close()
+	try:
+		f = open("userdb", 'rb')
+		users = pickle.load(f)
+	except Exception as e:
+		users = {}
+	done = False
+	user = None
+	while not done:
+		command = input("Input command (h for help): ")
+		if command == 'c':
+			user = create_user()
+			users[user.name] = user
+		elif command == 'l':
+			user = login_user(users)
+		elif command == 'v':
+			print(user.name + " - " + str(user.scores))
+		elif command == 's':
+			get_score(user)
+		elif command == '':
+			done = True
+		elif command == 'h':
+			print("c - create user")
+			print("l - login to existing user")
+			print("v - view scores for current user")
+			print("s - input score for current user")
+			print("h - show this help")
+			print("blank line to quit")
+		with open("userdb", 'wb') as f:
+			pickle.dump(users, f)
+	f.close()