Update app.py

app.py

@@ -13,7 +13,11 @@ db = client["myapp"]
 col = db["users"]
 
 
-
+try:
+    client.admin.command('ping')
+    print("Connection Established Successfully!")
+  except pymongo.errors.ConnectionFailure:
+    print("Not Connected")
 
 
 def Signup():