welcome message first draw

PythonTrainingGroupB/main.py

@@ -1,26 +1,37 @@
 print("Welcome to our Investment Game! If you want to sign up, press '0'. If you already have an account, press '1' to log in.")
+
 choice = int(input("Please make your choice: "))
 
-usernames_passwords = {}
+usernames_passwords = {'Luuk': 'Jonko'}
 
 if choice == 0:
-    new_username = input("Please enter a user name: ")
-    while new_username in usernames_passwords:
-        print("User name already exists, please enter another user name: ")
-        new_username = input("Please enter a user name: ")
+    new_username = input("Please enter a username: ")
+    while (new_username in usernames_passwords):
+        print("User name already exists, please enter another username: ")
+        new_username = input("Please enter a username: ")
     new_password = input("Please enter a passwords: ")
 
-    print("Thank you. In order to complete your registration, we need some personal details. Please enter your first name")
+    print("Thank you. In order to complete your registration, we need some additional details. Please enter your first name")
     first_name = input("First name: ")
+    print("Registration completed")
 
     usernames_passwords[new_username] = new_password
-    print(usernames_passwords)
+    # print(usernames_passwords)
 
 elif choice == 1:
-    input("Please enter you username and password: ")
-    existing_username = input("User name: ")
-    existing_password = input("Password: ")
-    if existing_username in usernames_passwords:
+    print("Please enter you username.")
+
+    while True:
+        existing_username = input("Username: ")
+        if existing_username in usernames_passwords:
+            existing_password = input("Please enter your password: ")
+            if usernames_passwords[existing_username] == existing_password:
+                print("Log in succesful")
+                break
+            else:
+                print("You entered the wrong username/password combination. Please try again.")
+        else:
+            print("You didn't enter an existing username. Please try again ")