"c","C","golang","Golang"]
list.sort() #按字典顺序升序排列
print("升序:",list)
list.sort(reverse...=True) #按降序排列
print("降序:",list)
输出：
升序: [‘C’, ‘C++’, ‘Delphi’, ‘Golang’, ‘Python’, ‘c’, ‘c++’,...","Python","c++","C++","c","C","golang","Golang"]
list.sort(key=lambda ele:len(ele)) #按元素长度顺序升序排列...print("升序:",list)
list.sort(key=lambda ele:len(ele),reverse=True) #按降序排列
print(...4: 0}
有效的键类型
字典的值可以是任意 Python 对象，而键通常是不可变的标量类型（整数、浮点型、字符串）或元组（元组中的对象必须是不可变的）。
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