Add two-player scoring system with time limit

Implement a scoring system for a two-player timed game of Bar Billliards.
This is just stage 1 of the project so I've simplified it as much as I can just to get it to working.  I'll add more functionality and detail later in the development proccess.

Author: cuthbert86

BB_AutoScore_Stage1.py

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+import time
+# from datetime import datetime
+# import math
+
+
+P1Score = int(0)
+P2Score = int(0)
+
+
+start_time = time.time()
+duration = 100
+
+P1_name = str(input("Enter Player 1 Name: "))
+P2_name = str(input("Enter Player 2 Name: "))
+
+
+def P1Turn(P1Score):
+    Break = int(0)
+    print(f"{P1_name} turn")
+    print(f"What did {P1_name} Score?")
+    Break = int(input())
+
+    if Break == 1:
+        P1Score = 0     # Black mushroom
+
+    else:
+        P1Score = P1Score + Break
+
+    print(f"Current {P1_name} score = {P1Score}")
+    return P1Score
+
+
+def P2Turn(P2Score):
+    Break = int(0)
+    print(f"{P2_name} turn")
+    print(f"What did {P2_name} Score?")
+    Break = int(input())
+    if Break == 1:
+        P2Score = 0     # Black Mushroom 
+
+    else:
+        P2Score = P2Score + Break
+
+    print(f"Current {P2_name} score = {P2Score}")
+    return P2Score
+
+
+while (time.time() - start_time) < duration:
+    print(P1Score)
+    P1Score = P1Turn(P1Score)
+    print(P2Score)
+    P2Score = P2Turn(P1Score)
+
+else:
+    if P1Score > P2Score:
+        print(f"{P1_name} is the winner!")
+        print(f"{P1_name} score : {P1Score}")
+        print(f"Looser {P2_name} score : {P2Score}")
+    elif P2Score > P1Score:
+        print(f"{P2_name} is the winner!")
+        print(f"{P2_name} score : {P2Score}")
+        print(f"Looser {P1_name} score : {P1Score}")
+    else:
+        print(f"{P1_name} and {P2_name} have drawn the game")
+        print(f"Both loosers scored {P1Score}")
+
+
+print("End of program")