diff --git "a/D\303\266ng\303\274ler/rockPaperScissors.py" "b/D\303\266ng\303\274ler/rockPaperScissors.py"
new file mode 100644
index 0000000..d6303d8
--- /dev/null
+++ "b/D\303\266ng\303\274ler/rockPaperScissors.py"
@@ -0,0 +1,34 @@
+# -*- coding: utf-8 -*-
+"""
+Created on Mon Mar  7 11:40:57 2022
+
+@author: bozku
+"""
+import random
+
+player = input("Please, choose your role(for example, Rock, Paper, Scissors: ")
+win = False;
+random = random.randint(1, 3)
+if random == 1:
+    bot = "rock"
+elif random == 2:
+    bot = "paper"
+else:
+    bot = "scissors"
+
+while(win != True):
+    if (str.lower(player) == "rock" and bot == "scissors"):
+        print("Player[" + player + "] won against bot[" + bot + "]")
+        win = True
+    elif (str.lower(player) == "paper" and bot == "rock"):
+        print("Player[" + player + "] won against bot[" + bot + "]")
+        win = True
+    elif (str.lower(player) == "scissors" and bot == "paper"):
+        print("Player[" + player + "] won against bot[" + bot + "]")
+        Win = True
+    elif (str.lower(player) == bot):
+        print("It's draw. Player[" + player + "] - bot[" + bot + "]")
+        break
+    else:
+        print("Player[" + player + "] lost against bot[" + bot + "]")
+        break
diff --git a/Stringler/isLower.py b/Stringler/isLower.py
new file mode 100644
index 0000000..2dec60a
--- /dev/null
+++ b/Stringler/isLower.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+"""
+Created on Mon Mar  7 10:36:03 2022
+
+@author: Onur BOZKURTOGLU
+"""
+
+def isLower(word):
+    if (str.lower(word) == word):
+        return "\'" + word + "\'" + " tamamen küçük harflerden oluşmaktadır.";
+    else:
+        return "\'" + word + "\'" + " tamamen küçük harflerden oluşmamaktadır.";
+
+print(isLower("ahmet"))
+print(isLower("Ahmet"))
+
+print("*****------------******")
+
+print(isLower("ABCD"))
+print(isLower("abcd"))