实验六

实验任务3：

def is_valid(line):
    if len(line)==18:
        if line.isdigit() or line[-1]=='X':
            return True
        else:
            return False
    else:
        return False
with open('data3_id.txt','r',encoding='utf-8')as f:
    data=f.read().split('\n')
data1=[]
data2=[]
a=0
for i in range(1,len(data)):
    x=data[i].split(',')
    if is_valid(x[1]):
        data1.append(x)
for i in data1:
    data2.append(i[1][6:14]+str(a))
    a+=1
data2.sort()
for i in range(len(data1)):
    n=int(data2[i][8:])
    print('{},{}-{}-{}'.format(data1[n][0],data2[i][0:4],data2[i][4:6],data2[i][6:8]))

实验任务5：

import random
import datetime
t=eval(input('输入随机抽点人数：'))
with open('data5.txt','r',encoding='utf-8') as f:
    data=[i.strip('\n') for i in f.readlines()]
a=random.sample(data,t)
b=datetime.datetime.now()
c=b.strftime('%Y%m%d')+'.txt'
with open(f'{c}','w',encoding='utf-8') as f:
    for i in a:
        f.write(i+'\n')
        print(i)

import random
import datetime
with open('data5.txt', 'r', encoding='utf-8') as f:
    data = [i.strip('\n') for i in f.readlines()]
print('{:=^40}'.format('抽点开始'))
while True:
    t = eval(input('输入随机抽点人数：'))
    if t==0:
        print('{:=^40}'.format('抽点结束'))
        break
    else:
        a = random.sample(data, t)
        for i in a:
            print(i)
            data.remove(i)
        b = datetime.datetime.now()
        c = b.strftime('%Y%m%d') + '.txt'
        with open(f'{c}', 'w', encoding='utf-8') as f:
            for i in a:
                f.write(i + '\n')