Update app.py

app.py

@@ -69,9 +69,9 @@ def find_most_similar_command(statement, command_list):
             best_match = command
             if i<16:
              reply=replies[1]
-            elif i>15 && i<31:
+            elif i>15 and i<31:
              reply=replies[2]
-            elif i>30 && i<46:
+            elif i>30 and i<46:
              reply=replies[3]
             elif i>45:
              reply=replies[4]