Refactored user input handling to use .lower() function for case insensitivity

Rock Paper Scissors Game/main.py

@@ -1,87 +1,94 @@
-#Rock Paper Scissors game by marsian
-print("\n\n\nRock Paper Scissors by marsian83\n\npresss Ctrl+. when you feel like exitting the game.")
+# Rock Paper Scissors game by marsian
+print("\n\n\nRock Paper Scissors by marsian83\n\npress Ctrl+. when you feel like exitting the game.")
 input("\n\n<<PRESS ENTER TO BEGIN>>\n")
 print("\n\n\n\n\n\n\n\n\n\n\n\n\n\n")
 
-#Framework declaration
+# Framework declaration
 from time import sleep
 from random import choice
+
+
 def game():
     print("\n\n\n\n\n\n\n\nDecide your move, enter \"R\" for Rock, \"S\" for Scissors and \"P\"for Paper")
-    tempVal=input()
-    while tempVal != 'R' and tempVal != 'S' and tempVal != 'P' and tempVal != 'r' and tempVal != 's' and tempVal != 'p':
+    tempVal = input().lower()
+    while tempVal not in ['r', 's', 'p']:
         print("Decide your move, enter \"R\" for Rock, \"S\" for Scissors and \"P\"for Paper")
-        tempVal=input();
+        tempVal = input().lower()
     sleep(0.13)
-    if tempVal == "R" or tempVal == "r":
-        Pmove=1
-    elif tempVal == "P" or tempVal == "p":
-        Pmove=2
-    elif tempVal == "S" or tempVal == "s":
-        Pmove=3
+    if tempVal == "r":
+        Pmove = 1
+    elif tempVal == "p":
+        Pmove = 2
+    elif tempVal == "s":
+        Pmove = 3
     else:
         print("Custom_ERROR-01 : can't recognize user's input")
-        raise SystemExit(0);
+        raise SystemExit(0)
     sleep(0.13)
-    Cmove=choice(MoveSet)
+    Cmove = choice(MoveSet)
     if Cmove == 1:
-        cpumove='Rock'
+        cpumove = 'Rock'
     elif Cmove == 2:
-        cpumove='Paper'
+        cpumove = 'Paper'
     elif Cmove == 3:
-        cpumove='Scissor'
+        cpumove = 'Scissor'
     else:
         print("Custom_ERROR-00 : CPU's move unrecognizable")
         raise SystemExit(0)
-    del tempVal;
     sleep(0.038)
     return Cmove, Pmove, cpumove
-def decisive(Cmove,Pmove):
-    if [Cmove,Pmove] == [1,3] or [Cmove,Pmove] == [2,1] or [Cmove,Pmove] == [3,2]:
-        winner=1
-    elif [Cmove,Pmove] == [1,2] or [Cmove,Pmove] == [2,3] or [Cmove,Pmove] == [3,1]:
-        winner=2
-    elif [Cmove,Pmove] == [1,1] or [Cmove,Pmove] == [2,2] or [Cmove,Pmove] == [3,3]:
-        winner=0
+
+
+def decisive(Cmove, Pmove):
+    if [Cmove, Pmove] in [[1, 3], [2, 1], [3, 2]]:
+        winner = 1
+    elif [Cmove, Pmove] in [[1, 2], [2, 3], [3, 1]]:
+        winner = 2
+    elif [Cmove, Pmove] in [[1, 1], [2, 2], [3, 3]]:
+        winner = 0
     else:
         print("Custom_ERROR-03 : Set [cpumove,playermove] was assigned an unexpected value")
         raise SystemExit(0)
     return winner
-def Scoreboard(winner,cm,cs,ps):
+
+
+def Scoreboard(winner, cm, cs, ps):
     if winner == 1:
-        print("\nCPU won the round by choosing",cm)
-        cs=cs+1
+        print("\nCPU won the round by choosing", cm)
+        cs = cs + 1
     elif winner == 2:
         print("\nPlayer won the round!")
-        ps=ps+1
+        ps = ps + 1
     else:
         print("Custom_ERROR-02 : Scoreboard function recieved explicit values")
         raise SystemExit(0)
     print("\nSession Score:")
-    print("Player : ",ps)
-    print("CPU : ",cs)
+    print("Player : ", ps)
+    print("CPU : ", cs)
     return cs, ps
 
-#Variable declaration
-MoveSet = [1,2,3]
-Cmove=0
-Pmove=0
-Cscore=0
-Pscore=0
 
-#Driver Code
+# Variable declaration
+MoveSet = [1, 2, 3]
+Cmove = 0
+Pmove = 0
+Cscore = 0
+Pscore = 0
+
+# Driver Code
 while True:
-    Cmove,Pmove,cpumove=game()
-    winner=decisive(Cmove,Pmove)
+    Cmove, Pmove, cpumove = game()
+    winner = decisive(Cmove, Pmove)
     while winner == 0:
-        print("WoW! A Draw!\nBoth Player and CPU have chosen",cpumove)
+        print("WoW! A Draw!\nBoth Player and CPU have chosen", cpumove)
         print("let's go again")
-        Cmove,Pmove,cpumove=game()
-        winner=decisive(Cmove,Pmove)
+        Cmove, Pmove, cpumove = game()
+        winner = decisive(Cmove, Pmove)
     sleep(0.13)
-    cmCache=cpumove;
-    print("CPU - ",cmCache)
-    RoundWinner=winner
-    cs,ps=Scoreboard(RoundWinner,cmCache,Cscore,Pscore)
-    Cscore=cs; Pscore=ps
-    input("<<< PRESS ENTER TO CONTINUE >>>");
+    cmCache = cpumove
+    print("CPU - ", cmCache)
+    RoundWinner = winner
+    cs, ps = Scoreboard(RoundWinner, cmCache, Cscore, Pscore)
+    Cscore = cs
+    Pscore = ps
+    input("<<< PRESS ENTER TO CONTINUE >>>")