!2 fixed auto login

Merge pull request !2 from kou he/no-autologin

main.py

@@ -28,7 +28,7 @@ while True:
     elif input_number == "2":
         input_username = input("Enter a username\n")
         input_password = input("Enter a password\n")
-        # check if the username is in the dictionary so it is duplicate
+        # check if the username is in the dictionary  it is duplicate
         if input_username in username_and_password:
             print("The username is duplicate!")
         else:
@@ -65,12 +65,11 @@ while True:
                 # add the username and password to the dictionary
                 username_and_password[input_username] = input_password
                 print("Register successfully!")
-                print("Auto login...")
-                exit()
+                # back to menu
+                continue
 
     else:
-        print("Wrong number!") # if the input is not 1 or 2, it will print wrong number
+        print("Wrong number!")  # if the input is not 1 or 2, it will print wrong number
     os.system("pause")
     os.system("cls")
     # clear the screen
-