iframe-proxy | Sunbelt Computer Software

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#!/usr/bin/env python
# coding=utf-8
def average_score(scores):
    score_values = scores.values()
    sum_scores = sum(score_values)
    average = round(sum_scores/len(score_values), 2)  # round(a,2) 保留两位小数
    return average
def sorted_score(scores):
    对成绩从高到低排队.
    score_lst = [(scores[k],k) for k in scores]
    sort_lst = sorted(score_lst, reverse=True)
    return [(i[1], i[0]) for i in sort_lst]
def max_score(scores):
    成绩最高的姓名和分数.
    lst = sorted_score(scores)    #引用分数排序的函数sorted_score
    max_score = lst[0][1]
    return [(i[0],i[1]) for i in lst if i[1]==max_score]
def min_score(scores):
    成绩最低的姓名和分数.
    lst = sorted_score(scores)
    min_score = lst[len(lst)-1][1]
    return [(i[0],i[1]) for i in lst if i[1]==min_score]
if __name__ == "__main__":
    examine_scores = {"google":98, "facebook":99, "baidu":52, "alibaba":80, "yahoo":49, "IBM":70, "android":76, "apple":99, "amazon":99}
    ave = average_score(examine_scores)
    print("the average score is:{}".format(ave))    #平均分
    sor = sorted_score(examine_scores)
    print("list of the scores:{}".format(sor))      #成绩表
    xueba = max_score(examine_scores)
    print("Xueba is:{}".format(xueba))              #学霸们
    xuezha = min_score(examine_scores)
    print("Xuzha is:{}".format(xuezha))             #学渣们

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