Example-2: Python sorted() with key function# take third element for sort def takeThird(elem): return elem[1] # random list random = [(2, 2), (3, 4), (4, 1), (1, 3)] # sort list with key sortList = sorted(random, key=takeThird) # print list print('Sorted list:', ...
Pythonsorted()Function ❮ Built-in Functions Example Sort a tuple: a = ("b","g","a","d","f","c","h","e") x =sorted(a) print(x) Try it Yourself » Definition and Usage Thesorted()function returns a sorted list of the specified iterable object. ...
The built-in sorted() function is guaranteed to be stable. A sort is stable if it guarantees not to change the relative order of elements that compare equal — this is helpful for sorting in multiple passes (for example, sort by department, then by salary grade).其大意为:sorted函数返回一...
def example_function(): time.sleep(1) print("Function executed") example_function() 在这个例子中,TimerDecorator类通过__call__方法实现了装饰器逻辑 ,测量并打印了被装饰函数example_function的执行时间。 2.3 深入理解装饰器应用场景 装饰器的使用远不止于此,它在实际开发中扮演着多面手的角色: •日志记录...
The built-in sorted() function is guaranteed to be stable. A sort is stable if it guarantees not to change the relative order of elements that compare equal — this is helpful for sorting in multiple passes (for example, sort by department, then by salary grade). ...
keyspecifies a function of one argument that is used to extract a comparison key from each element in iterable (for example,key=str.lower). The default value isNone(compare the elements directly). key指定一个函数,该函数接受一个参数。
sort() print("using sort function","\n",s) print("---") x = sorted(s, reverse=False) print("using sorted function","\n",x) Output: using sort function ['Code', 'Favtutor', 'Machine Learning', 'Students', 'Studies', 'Zebra', 'apple', 'java', 'python', 'tutoring'] --...
如:myfunction,my_example_function。注意:混合大小写仅被允许用于这种风格已经占据优势的时候,以便保持向后兼容。有的人,喜欢用这样的命名风格:myFunction,除了第一个单词首字母外,后面的单词首字母大写。这也是可以的,因为在某些语言中就习惯如此。但我不提倡,这是我非常鲜明的观点。
内置的 sorted() 确保是稳定的。 如果一个排序确保不会改变比较结果相等的元素的相对顺序就称其为稳定的 — 这有利于进行多重排序(例如先按部门、再按薪级排序)。 练习 模块设计允许用户输入10个单词,然后依字母顺序排列,并显示它们。 def words_function(): ...
def mycmp(a, b): # defining compare function if a[1] > b[1]: return 1 elif a[1] < b[1]: return -1 else: return 0Then, we use the sorted() function with the key parameter set as follows to specify the comparator via the cmp_to_key() function....