1 files changed, 2 insertions, 0 deletions
diff --git a/progs/a840.py b/progs/a840.py
new file mode 100644
index 0000000..58cf076
--- /dev/null
+++ b/progs/a840.py
@@ -0,0 +1,2 @@
+def is_lower(string):
+  return (string.lower())
+\ No newline at end of file