帮助学弟吧大一刚来没怎么认真学python已经麻了python脑子已经烧了
def vector(a, b):
return [sum(pair) for pair in zip(a, b)]
print(vector([1,2], [3,4]))
from collections import Counter
my_dict = {"张三": 90, "李四": 89, '王武': 76, "马云": 89}
most_common = Counter(my_dict).most_common(3)
for i in most_common:
print(f"{i[0]}({i[1]})")
第一题:
def print_score():
title= ['s_id', 's_name', 'score1', 'score2', 'score3', 'sum']
res_list = []
sum = 0
#循环输入信息并处理数据
for i in range(5):
message= input("请输入学生信息。id: ,姓名: , 科目一: ,科目二: ,科目三:.信息之间请用英文逗号分隔")
list = message.split(',')
for i in list[2:5]:
sum +=int(i)
list.append(sum)
res_list.append(list)
#对成绩从大到小进行排序
res_list.sort(key=lambda x:x[-1],reverse=True)
res_list.insert(0,title)
#打印title信息
for i in res_list[0]:
print(i,end=' ')
for j in res_list[1:]:
print()
for w in j:
print(w,end=' ')
第二题:
def vector_mul(a,b):
#获取最小的列表长度
min_len =min(len(a),len(b))
list = []
for i in range(min_len):
res =a[i] * b[i]
list.append(res)
return list
a = input("请输入第一组数据:")
b = input("请输入第二组数据:")
print(vector_mul(a,b))
第三题
def max_three(candidates):
#排序字典,转换成list,根据list截取,在强转成字典
list_res = sorted(candidates.items(),reverse=True)
#分片截取前三位数
return dict(list_res[0:3])
candidates = {'王一':'17','陈二':'23','赵三':'19','吴四':'31','秦五':'9','韩六':'27','付七':'33','朱八':'15','黄九':'37','苏十':'21'}
max_three(candidates)