实验6

with open('data3_id.txt', 'r', encoding='utf-8') as f:
    data=f.readlines()
data=[line.strip().split(',') for line in data]
ans=[]
def isvalid(id):
    if len(id)!=18:
        return False
    else:
        for i in id:
            if '0'<=i<='9'or i=='X':
                continue
            return False
        return True
    for i in range(1,len(data)):
        if(isvalid(data[i][1])):
            ans.append([data[i][0],data[i][1][6:10]+'-'+data[i][1][10:12]+'-'+data[i][1][12:14]])
ans.sort(key=lambda x:x[1])
print(f'{data[0][0]},{data[0][1]}')
for line in ans:
    print(f'{line[0]},{line[1]}')

 

 

 

n=eval(input('输入随机抽点人数:'))
import datetime
t=datetime.datetime.now()
import random
with open('data5.txt','r+',encoding='utf-8')as f1:
    with open(t.strftime('%Y%m%d')+'.txt', 'w+', encoding='utf-8') as f2:
        data=f1.readlines()
        info = [line.strip('\n')for line in data]
        info2=random.sample(info,n)
        for i in info2:
            f2.write(i+'\n')
            for j in i.split('\t'):
                print('%-5s\t'%j,end='')
            print()