Standard Python dictionaries are unordered (until Python 3.7). Even if you sorted the (key,value) pairs, you wouldn't be able to store them ... ... <看更多>

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yangshun/python-sort-stability.py ... We want to sort a list by its second element in descending order. ... b.sort(key=lambda x: x[1], reverse=True). ... <看更多>

Python sort 參數. list.sort(cmp=None, key=None, reverse=False) cmp ︰ 指定一個比較函式的話 ... ... <看更多>