Update app.py

app.py

@@ -14,11 +14,8 @@ def calculate_probability(total_outcomes: int, desired_outcomes: int)-> float: #
     """Calculate the probability of an event in the sample space.
         
     Args:
-        total_outcomes (int): The total number of possible outcomes.
-        desired_outcomes (int): The number of desired outcomes.
-        
-    Returns:
-        float: The probability of the event.
+        total_outcomes: The total number of possible outcomes.
+        desired_outcomes: The number of desired outcomes.
     """
     # Kiểm tra xem tổng số kết quả có thể có phải hợp lệ không
     if total_outcomes <= 0: