diff --git a/aula40.py b/aula40.py
new file mode 100644
index 0000000..1fdde5b
--- /dev/null
+++ b/aula40.py
@@ -0,0 +1,8 @@
+""" Calculadora com while """
+while True:
+    print('nummmmm')
+    #########
+    sair = input('Quer sair? [s]im: ').lower().startswith('s')
+
+    if sair is True:
+        break