Only print "Available conditons:" section if conditions are available

lambdaV.py

@@ -515,6 +515,7 @@ def setup_and_run_task(start_field, start_position, start_heading, text, allowed
     draw_field()
     print("\n"+text)
     print("\nAllowed commands: "+", ".join(allowed_commands))
+    if len(allowed_conditions)>0:
         print("\nAvailable conditions: "+", ".join(allowed_conditions))
     result = evaluate_parser_result(parse_code(input("\nCode: "), allowed_commands, allowed_conditions))
     print(result)