def __init__(self, width, height, bg_color, line_color):
width = 600
self.padding = 30
self.block_width = 100
graph_t.__init__(self, width, height, bg_color, line_color)
def __init__(self, width, height,bg_color,line_color):
graph_t.__init__(self,width,height,bg_color,line_color)
def __init__(self, width, height):
graph_t.__init__(self,width,height)
