"""
反转算法演示程序.py
"""
from sprites import *
from random import randint
screen = Screen()
screen.delay(10)
w = Sprite('blank')
w.color('gray84')
w.sety(50)
w.write('反转算法演示程序',align='center',font=('黑体',34))
digits = [randint(0,1000) for _ in range(randint(5,10))]
names = [f'res/_{d}.png' for d in digits]
[txt2image(str(d),filename,fontsize=22 ) for d,filename in zip(digits,names)]
n = len(digits) # 角色数量
x = -(n-1)*70/2 # 最左边角色的x坐标
numbers = []
for i in range(n):
p = Sprite(names[i],pos=(x,220))
p.stamp()
p.speed(1)
numbers.append(p)
x = x + 70
[p.sety(0) for p in numbers]
i = 0
j = n-1
while i
