append(location) # <2> index[word] = occurrences # <3> # print in alphabetical order for word in sorted(index, key=str.upper): # <4> print(word, index[word]) (base) C:\Users\Administrator\Desktop>python tmp.py zen.txt a [(19, 48), (20, 53)] Although [(11, 1), (16, 1...
students = ['bernice', 'aaron', 'cody'] # Display students in alphabetical order, but keep the original order. print("Here is the list in alphabetical order:") for student in sorted(students): print(student.title()) # Display students in reverse alphabetical order, but keep the original ...
take input from the user #my_str = input("Enter a string: ") # breakdown the string into a list of words words = [word.lower() for word in my_str.split()] # sort the list words.sort() # display the sorted words print("The sorted words are:") for word in words: print(word...
print(Reverse(lst)) output [10, 9, 8, 7, 6, 5] 转置矩阵 转置矩阵意味着将列变换为行,反之亦然。使用Python,可以通过以下代码与zip函数结合,并使用*工具解压缩矩阵的转置列表。 mat=[(5,6,7),(8,9,10),(11,12,13),(14,15,16)] for row in mat: print(row) print("\n") t_mat=zip(...
print('poodle' in dogs) 1. 2. 3. 4. False True 1. 2. 添加元素到列表 将元素附加到列表的末尾 可以使用append()方法将项添加到列表中。 此方法将新元素添加到列表的末尾。 dogs = ['border collie', 'australian cattle dog', 'labrador retriever'] ...
print("Thank you very much for your efforts on this project.") 1. 2. 3. 4. 5. 6. 7. 8. 上述代码有很多重复的地方,函数就是用来替代重复的代码,在需要的地方引用它。使用函数后的代码如下所示: def thank_you(name): # This function prints a two-line personalized thank you message. ...
# display in alphabetical order for word in sorted(index, key=str.upper): # ④ print(word, index[word]) ① 获取word的出现列表,如果找不到则为[]。 ② 将新位置附加到occurrences。 ③ 将更改后的occurrences放入index字典中;这需要通过index进行第二次搜索。
For each test case, you must print a phone bill for each customer. Bills must be printed in alphabetical order of customers' names. For each customer, first print in a line the name of the customer and the month of the bill in the format shown by the sample. Then for each time perio...
2.1 Built-in Functions The Python interpreter has a number of functions built into it that are always available. They are listed here in alphabetical order. __import__(name[, globals[, locals[, fromlist]]]) This function is invoked by theimportstatement. It mainly exists so that you can...
The Python interpreter has a number of functions and types built into it that are always available. They are listed here in alphabetical order. Built-in Functions 官方介绍:https://docs.python.org/3/library/functions.html 内置函数详解 abs(x) ...