Update index.md (#21753)

* Update index.md

implementing rock paper scissors  using if elif

* removed sentence

guide/english/python/if-elif-else-statements/index.md

@@ -103,5 +103,33 @@ Output
 True
 >
 ```
+## Rock-Paper-Scissors Game using if-elif in Python
 
+```python
+#importing random library
+import random
+#make the set of moves
+moves = ["rock","paper","scissors"]
+keep_playing = "True"
+
+while keep_playing == "True":
+    cmove = random.choice(moves)
+    pmove = input("What is your move: rock , paper or scissors?")
+    print("computer chose ",cmove)
+    if cmove == pmove:
+        print("Tie")
+    elif pmove=="rock" and cmove == "scissors":
+        print("player Wins")
+    elif pmove == "rock" and cmove == "paper":
+        print("computer wins")
+    elif pmove == "paper" and cmove =="scissors":
+        print("computer wins")
+    elif pmove == "paper" and cmove == "rock":
+        print ("player wins")
+    elif pmove == "scissors" and cmove =="rock":
+        print("computter wins")
+    elif pmove == "scissors" and cmove =="paper":
+        print ("Player wins")  
+
+```