diff --git a/CSE16237_Ex02_07.py b/CSE16237_Ex02_07.py
new file mode 100644
index 0000000000000000000000000000000000000000..1a1b9ada7a7bae9452bb6da27ab1f6060fd89a45
--- /dev/null
+++ b/CSE16237_Ex02_07.py
@@ -0,0 +1,3 @@
+str1=input("Enter string:")
+print(str1.lower())
+print(str1.upper())