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The iterator protocol is used to define a standard way that an object produces a sequence of values. What that really means is you now have a process 阅读全文
posted @ 2017-11-21 15:20
Zhentiw
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Write a function, remove_duplicates that takes a list as its argument and returns a new list containing the unique elements of the original list. The 阅读全文
posted @ 2017-11-21 14:52
Zhentiw
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Let's introduce a new string method, join: Also note thatjoin will trigger an error if we try to join anything other than strings. For example: 阅读全文
posted @ 2017-11-21 14:45
Zhentiw
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In addition to accessing individual elements from a list we can use Python's slicing notation to access a subsequence of a list. Consider this list of 阅读全文
posted @ 2017-11-21 14:02
Zhentiw
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