aliens = []
# 创建30个绿色的外星人
for alien_number in range (0,30):
new_alien = {'color': 'green', 'points': 5, 'speed': 'slow'}
aliens.append(new_alien)
for alien in aliens[0:3]:
if alien['color'] == 'green':
alien['color'] = 'yellow'
alien['speed'] = 'medium'
alien['points'] = 10
for alien in aliens[0:3]:
if alien['color'] == 'green':
alien['color'] = 'yellow'
alien['speed'] = 'medium'
alien['points'] = 10
elif alien['color'] == 'yellow':
alien['color'] = 'red'
alien['speed'] = 'fast'
alien['points'] = 15
for alien in aliens[0:5]:
print(alien)
print("...")
{'color': 'red', 'points': 15, 'speed': 'fast'}
......
{'color': 'yellow', 'points': 10, 'speed': 'medium'}
......
{'color': 'yellow', 'points': 10, 'speed': 'medium'}
......
{'color': 'green', 'points': 5, 'speed': 'slow'}
......
{'color': 'green', 'points': 5, 'speed': 'slow'}
......
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