diff --git a/to-lower-case/minsikpaul92.py b/to-lower-case/minsikpaul92.py
new file mode 100644
index 0000000000..2ec1513ad8
--- /dev/null
+++ b/to-lower-case/minsikpaul92.py
@@ -0,0 +1,9 @@
+class Solution:
+    def toLowerCase(self, s: str) -> str:
+        result = []
+        for char in s:
+            if "A" <= char <= "Z":
+                result.append(chr(ord(char) + (ord("a") - ord("A"))))
+            else:
+                result.append(char)
+        return "".join(result)