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新手求米

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# Your previous Plain Text content is preserved below:
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# Step 1
# Imagine an Airbnb-like vacation rental service, where users in different cities can exchange their apartment with another user for a week. Each user compiles a wishlist of the apartments they like. These wishlists are ordered, so the top apartment on a wishlist is that user's first choice for where they would like to spend a vacation. You will be asked to write part of the code that will help an algorithm find pairs of users who would like to swap with each other.
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# Given a set of users, each with an *ordered* wishlist of other users' apartments:
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# a's wishlist: c d
# b's wishlist: d a c
# c's wishlist: a b
# d's wishlist: c a b
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# The first user in each wishlist is the user's first-choice for whose apartment they would like to swap into.
# Write a function called has_mutual_first_choice() which takes a username and returns true if that user and another user are each other's first choice, and otherwise returns false.
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# has_mutual_first_choic

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游客，您好！
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result of the change. Note that, as before, the
# username and rank passed in identify the entry whose rank is being bumped up, so (a, 1) would refer to a's second-choice.
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# // if b's third choice becomes their second choice, b and c will no longer be a mutually-ranked anti-pairing
# changed_antipairings('b', 2) // returns ['c']
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# // if a's second choice becomes their first choice, a and c will be no longer be a mutually ranked anti-pairing
# // in addition, a and d will become a mutually ranked anti-pairing (the second-to-last choice of each other)
# changed_antipairings('a', 1) // returns ['c', 'd']

好人一生平安

感谢LZ分享，加油！

很新鲜呐。
感谢分享

感谢分享！
但我想说条纹出题感觉跟阅读理解似的。。。我要是碰到了读题都要花好久

看懂题花了半小时...

非常感谢楼主啊，祝你offer 多多