diff --git a/cse16260_ex2_q4.py b/cse16260_ex2_q4.py
new file mode 100644
index 0000000000000000000000000000000000000000..c321f55640ce8de69a58adfe3cc92d2a2a390ecd
--- /dev/null
+++ b/cse16260_ex2_q4.py
@@ -0,0 +1,6 @@
+str=input("enter a string : ")
+c=str[0]
+s1=str[1:]
+s1=s1.replace(c,'$')
+print(c+s1)
+