程序代码：

# alien_0={"color":"green","points":5,"speed":"slow"}
aliens=[]
for alien_number in range(3):
    alien_0 = {"color": "green", "points": 5, "speed": "slow"}
    aliens.append(alien_0)
for alien in aliens[0:1]:
    if alien['color']=='green':
        alien['color']='yellow'
        alien['points']=10
        alien['speed']='medium'
for alien in aliens[:3]:
    print(alien)
print('...')