实验四

实验7

import datetime
t = datetime.datetime.now()
tans = t.strftime('%Y%m%d')
num = int(input("想抽的人数："))
with open('D:\\data7.txt','r+',encoding="utf-8") as e:
    sin = e.readlines()
ans = set()
import random
while len(ans) < num:
    cos = random.randint(0,num)
    ans.add(sin[cos-1])
s = list(ans)
sans = []
for i in s:
    sans.append(i.strip('\n'))
for i in sans:
    print(i)
with open('D:\\lucky.txt','w') as f:
    for i in s:
        ddt = i.strip('\n')
        f.write(f'{ddt}\n')

 

 

 

 

 

 

 

 

 

实验6

with open("D:\\data6_1.txt","r",encoding="utf-8") as e:
   ddt = e.readlines()
s = [i.strip('\n') for i in ddt]
ddl = dict()
for i in s:
    name = i[0:-2]
    sco = i[-2:]
    ddl[sco]=name
ansa = sorted(ddl)
sans = ansa[::-1]
for i in sans:
    print(f'{ddl[i]} {i}')
with open('D:\\data6_2.txt','w') as f:
    for i in sans:
        f.write(f'{ddl[i]} {i}\n')