def get$\_$user$\_$num$()$: # Print a message indicating that the function is not yet implemented print$("$FIXME: Finish get$\_$user$\_$num$()")$ # Return $-1$ as a placeholder value return $-1$ def compute$\_$avg$()$: # Print a message indicating that the function is not yet implemented print$("$FIXME: Finish compute$\_$avg$()")$ # Return $-1$ as a placeholder value return $-1$ # Sample calls to demonstrate the output if $\_\_$name$\_\_=="\_\_$main$\_\_"$: # Call get$\_$user$\_$num$()$ twice to show the stub output get$\_$user$\_$num$()$ get$\_$user$\_$num$()$ # Call compute$\_$avg$()$ once to show the stub output compute$\_$avg$()$ # Print the output of compute$\_$avg$(),$ which is currently $-1$ print$("$Avg: $",$ compute$\_$avg$())$