diff --git a/lab24.py b/lab24.py
new file mode 100644
index 0000000000000000000000000000000000000000..5dfb526082cc33e5d1b4739e0716fddb15225f73
--- /dev/null
+++ b/lab24.py
@@ -0,0 +1,11 @@
+s = input("enter the string:")
+q=s[0]
+w=str("$")
+for i in range(0,len(s)):
+	if i!=0:
+		if s[i]==q:
+			print(w,end="")
+		else:
+			print(s[i],end="")
+	else:
+		print(s[i],end="")
\ No newline at end of file