#NEWLINE# def begin_clear_background( ) : #NEWLINE# #INDENT# global asteroids #NEWLINE# global bullets #NEWLINE# global animations #NEWLINE# for bullet in animation : #NEWLINE# #INDENT# bullet . delete ( ) #NEWLINE# #UNINDENT# for animation in animations : #NEWLINE# #INDENT# animation . delete ( ) #NEWLINE# #UNINDENT# asteroids = [ ] #NEWLINE# bullets = [ ] #NEWLINE# animations = [ ] #NEWLINE# player . visible = False