format(average_score)) Krishna 68.00 # 把学生和3门成绩的平均值一起存在字典中 n = int(input()) d = {} for i in range(n): text = input().split() d[text[0]] ='{:.2f}'.format(sum((map(float,text[1:]))/3) print(d[input()]) 3 Kr
def calculate_average(numbers): total = sum(numbers) count = len(numbers) average = total / count return average numbers = [1, 2, 3, 4, 5] average = calculate_average(numbers) print("Average:", average) 6.2、排序与查找 排序与查找题型通常要求你实现某种排序算法或查找算法。例如,冒泡排序、...
2. 平均单词长度 # For a given sentence, return the average word length.# Note: Remember to remove punctuation first. sentence1 = "Hi all, my name is Tom...I am originally from Australia."sentence2 = "I need to work very ...
4 Minimum Average Waiting Time WIP Disjoint Set #ChallengeSolution 1 Merging Communities Solution & Comment 2 Components in a graph Solution & Comment 3 Kundu and Tree Solution & Comment 4 Super Maximum Cost Queries Solution & Comment Multiple Choice #ChallengeSolution 1 Data Structures MCQ 1 WIP...
HackerRank: https://www.hackerrank.com/interview/interview-preparation-kit LeetCode: https://leetcode.com/explore/interview/card/top-interview-questions-easy/ CodingBat : https://codingbat.com/python GeeksForGeeks: https://www.geeksforgeeks.org/python-programming-language/?ref=leftbar ...
Print the average of [2, 5, 6]. It should be rounded to 3 decimal places li = [2, 5, 6] print("{0:.3f}".format(sum(li)/len(li))) Python - ListsWhat is a tuple in Python? What is it used for? A tuple is a built-in data type in Python. It's used for storing ...
average=sum/3 print(三个数的和是:,sum) print(三个数的差是:,diff) print(三个数的乘积是:,product) print(三个数的平均值是:,average) ``` 3.编写一个程序,声明一个变量存储用户输入的字符串,检查这个字符串是否为回文(即正读和反读都相同的字符串)。 答案: ```python string=input(请输入一个...
Hashing is useful for many different types of operations, including lookup, insert, delete, and find. By using a hash table, these operations can be performed in constant time (O(1)), meaning the time taken does not change with the size of the table (in the average case). ...
# For a given sentence, return the average word length.# Note: Remember to remove punctuation first. sentence1 = "Hi all, my name is Tom...I am originally from Australia."sentence2 = "I need to work very hard to learn more about algorithms in Python!" ...
1、print(f数字列表的平均值:{average_result})这个函数通过取列表中所有数字的和除以数字的个数,简单地实现了计算平均值的功能。在给定的`numbers`列表上,它会输出其平均值。这对于理解Python基础操作和函数的使用非常有帮助。 2、其他的选择结构应用,如根据x的范围确定y值、百分制成绩转五分制等,都展示了选择结构...