Created Create DB and Save DB

DB/Database.py

 """
-ez file lenne ami ossyekoti a db-t a programunkal. hogy egyszerubb legyen
+ez file lenne ami osszekoti a db-t a programunkal. hogy egyszerubb legyen
 az eletunk, ezert most csak egyszeru dictekbe, meg setekbe tarolunk mindent
 """
 # import pprint
 
 fake_db = {}
+# ez garantalja hogy egy username csak egyszer lehet benne
 fake_db['u_names'] = set()
+# ezek objektumok nev-jelszo paros listaja lesz, tehat csak sima array
 fake_db['users'] = []
 
 
@@ -52,3 +54,23 @@ def login_user(username, password):
         return 'Succes', username
     else:
         return 'Nein'
+
+
+def save_db():
+    with open('db.txt', 'w') as f:
+        for user in fake_db['users']:
+            f.write('username {} - password {}'.format(user['Username'],
+                                                       user['Password']))
+    return 'Succes'
+
+
+def valid_db():
+    if len(fake_db['users']) != len(set([u['Username'] for u in fake_db['users']])):
+        return ['Error', len(fake_db['users']) != len(set([u['Username'] for u in fake_db['users']]))]
+    elif set([u['Username'] for u in fake_db['users']]) - fake_db['u_names'] == set():
+        return 'Succes'
+    return ['error', set([u['Username'] for u in fake_db['users']]) - fake_db['u_names']]
+
+
+if __name__ != "__main__":
+    print(__name__)

program.py

@@ -29,8 +29,9 @@ if __name__ == "__main__":
                     name = input("Give us a Username ")
                     psw = input("Give us a Password ")
                     state = Register(name, psw)
+            db.save_db()
             # print('Noice')
-        else:
+        elif text_input != '0':
             name = input("Give us a Username ")
             psw = input("Give us a Password ")
             state = login_user(name, psw)
@@ -40,4 +41,8 @@ if __name__ == "__main__":
                     name = input("Give us a Username ")
                     psw = input("Give us a Password ")
                     state = login_user(name, psw)
+        else:
+            print('Db validation: ', db.valid_db())
+            db.save_db()
+            exit()
             # print('Noice: ', state[1])