global variable, local variable

def key_pressed(a):
  print(a)
  block(0, 4, -30, 'box_pink')
game.on_key_press(key_pressed)

j = 1
def pressKey(b):
    global j
    block(0, j, -20, 'box_blue')
    j +=1

game.on_key_press(pressKey)