Added improvements to game play

european_roulette.py

@@ -273,12 +273,12 @@ def spin_wheel()-> int:
     print()
     time.sleep(2)
     print("The wheel is spinning. Please wait...")
-    time.sleep(8)
+    time.sleep(4)
     print("The ball has dropped.")
     number = random.choice(range(37))
-    print("The ball landed on ", end=" -------->  ")
-    time.sleep(3)
-    print(number)
+    print("The ball landed on ", end="  ")
+    time.sleep(2)
+    print(f"<< {number} >>")
     return number
 
                        
@@ -287,9 +287,14 @@ def build_a_list_of_wager_types():
     wager_type_list = []
     select = True
     
+    
     while select:
         selected_key = input("Enter a wager type (e.g. S3): ").strip().upper()
-        if selected_key in globals():
+        if selected_key not in globals():
+            print(f"'{selected_key}' is not defined.")
+            selected_key = input("Please enter a wager type to continue.  ")
+            continue
+        else:   
             wager_dict = globals()[selected_key]
             if DEBUG:
                 print(f"Wager dict:  {wager_dict}")
@@ -298,25 +303,34 @@ def build_a_list_of_wager_types():
                 build_a_dict_of_wagers(selected_key)
             else:
                 print(f"'{selected_key}' exists but is not a dictionary.")
-        else:
-            print(f"'{selected_key}' is not defined.")
         answer = input("Do you want another wager type? (y/n): ").lower()
         if answer != 'y':
             select = False
-        else:
             continue
     return wager_type_list
 
+def is_convertible_to_int(s)->bool:
+    try:
+        int(s)
+        return True
+    except ValueError:
+        return False
+
 
 def build_a_dict_of_wagers(code):
     global wagers
     global DEBUG
     bet = input("Enter a wager for this wager_type (e.g. 10 for $10)  ")
-    wager = {code: bet}
-    wagers.append(wager)
-    if DEBUG:
-        print(f"Wagers:  {wagers}")
-    return wagers
+    if not is_convertible_to_int(bet):
+        print("You must enter an integer wager.")
+        bet = None
+        build_a_dict_of_wagers(code)
+    else:
+        wager = {code: bet}
+        wagers.append(wager)
+        if DEBUG:
+            print(f"Wagers:  {wagers}")
+        return wagers
 
     
 def search_number_in_dicts(dict_list: list, number_to_find: int):
@@ -486,7 +500,7 @@ def main():
             print("You are busted!  Thanks for playing.")
             exit()
         else:
-            print(f"\nYour profits are: ${profits} and losses are ${losses} yielding current holdings: ${holdings}")
+            print(f"\nYour profits are ${profits} and your losses are ${losses} yielding current holdings of ${holdings}")
             print()
             keep_playing()