1 files changed, 3 insertions, 0 deletions
diff --git a/progs/a431.py b/progs/a431.py
new file mode 100644
index 0000000..9a8a7de
--- /dev/null
+++ b/progs/a431.py
@@ -0,0 +1,3 @@
+def is_Monotonic(A): 
+    return (all(A[i] <= A[i + 1] for i in range(len(A) - 1)) or
+            all(A[i] >= A[i + 1] for i in range(len(A) - 1))) 
+\ No newline at end of file