python中控制与结构

fruits='bananablueberry'
if 'bananab' in fruits and 'blueberry' in fruits:
    print('不需要补货')
elif 'bananab' not in fruits and 'blueberry' in fruits:
    print('香蕉需要补货')
elif 'bananab' in fruits and 'blueberry' not in fruits:
    print('蓝莓需要补货')

else:
    print('都需要补货')

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