diff --git a/Python Programs/case_converter.py b/Python Programs/case_converter.py
new file mode 100644
index 00000000000..1734fc29007
--- /dev/null
+++ b/Python Programs/case_converter.py	
@@ -0,0 +1,10 @@
+s = input("Enter a string: ")
+new_s = ""
+for c in s:
+    if 'A' <= c <= 'Z':
+        new_s += chr(ord(c) + 32)
+    elif 'a' <= c <= 'z':
+        new_s += chr(ord(c) - 32)
+    else:
+        new_s += c
+print("Converted string:", new_s)