python怎么检测回答是否正确

Question

#在python该怎么检测别人的回答是否正确呢？例如下

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input("do you like apple?")

#然后该怎么知道别人回答的是yes还是no，然后该怎么引出i like apple too

Answer 1

ans=input("do you like apple?(yes or no)")
if ans=='yes':
    print('i like apple too')
elif ans=='no':
    print('no')
else:
    print('i do not konw')