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Title: map/reduce · Issue #5 · makisang/learn-python · GitHub

Open Graph Title: map/reduce · Issue #5 · makisang/learn-python

X Title: map/reduce · Issue #5 · makisang/learn-python

Description: map传入的第一个参数是一个函数对象，结果是一个Iterator reduce把一个函数作用于一个序列[x1, x2, x3, ...]上，而这个函数必须接收两个参数，reduce把结果继续和序列的下一个元素做累积计算，效果类似于： reduce(f, [x1, x2, x3, x4]) = f(f(f(x1, x2), x3), x4)

Open Graph Description: map传入的第一个参数是一个函数对象，结果是一个Iterator reduce把一个函数作用于一个序列[x1, x2, x3, ...]上，而这个函数必须接收两个参数，reduce把结果继续和序列的下一个元素做累积计算，效果类似于： reduce(f, [x1, x2, x3, x4]) = f(f(f(x1, x2), x3), x4)

X Description: map传入的第一个参数是一个函数对象，结果是一个Iterator reduce把一个函数作用于一个序列[x1, x2, x3, ...]上，而这个函数必须接收两个参数，reduce把结果继续和序列的下一个元素做累积计算，效果类似于： reduce(f, [x1, x2, x3, x4]) = f(f(f(x1, x2), x3), x4)

Opengraph URL: https://github.com/makisang/learn-python/issues/5

X: @github

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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"map/reduce","articleBody":"- `map`传入的第一个参数是一个函数对象，结果是一个`Iterator`\n- `reduce`把一个函数作用于一个序列`[x1, x2, x3, ...]`上，而这个函数必须接收两个参数，`reduce`把结果继续和序列的下一个元素做累积计算，效果类似于：\n  \n  \u003e reduce(f, [x1, x2, x3, x4]) = f(f(f(x1, x2), x3), x4)\n","author":{"url":"https://github.com/makisang","@type":"Person","name":"makisang"},"datePublished":"2016-10-21T14:35:33.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/5/learn-python/issues/5"}

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