实验六
3-1
1 def is_valid(x): 2 data=x 3 if len(data)!=18: 4 print(False) 5 else: 6 if ord(data[-1])==88 or 48<=ord(data[-1])<=57 : 7 print(True) 8 else: 9 print(False)
3-2
1 with open('data3_id.txt', 'r', encoding='utf-8') as f: 2 data=f.readlines() 3 data=[line.strip().split(',') for line in data] 4 ans=[] 5 def isvalid(id): 6 if len(id)!=18: return False 7 else: 8 for i in id: 9 if '0'<=i<='9'or i=='X':continue 10 return False 11 return True 12 for i in range(1,len(data)): 13 if(isvalid(data[i][1])): 14 ans.append([data[i][0],data[i][1][6:10]+'-'+data[i][1][10:12]+'-'+data[i][1][12:14]]) 15 ans.sort(key=lambda x:x[1]) 16 print(f'{data[0][0]},{data[0][1]}') 17 for line in ans: 18 print(f'{line[0]},{line[1]}')
5-1
1 import random 2 import datetime 3 with open('data5(1).txt', 'r', encoding='utf-8') as f: 4 data=f.readlines() 5 data=[line.strip().split(',') for line in data] 6 book=[0]*len(data) 7 n=eval(input('输入随机抽点人数:')) 8 ans=[] 9 cnt=0 10 while cnt<5: 11 x=random.randint(0,len(data)) 12 if book[x]:continue 13 cnt+=1;book[x]=1 14 ans.append(data[x]) 15 t=datetime.datetime.now() 16 filename = t.strftime('%Y%m%d') + '.txt' 17 for line in ans: 18 print(line[0]) 19 with open(filename,'w',encoding='utf-8') as f: 20 for line in ans: 21 f.write(str(line[0]+'\n'))
5-2
1 with open('data5(1).txt','r',encoding='utf-8')as f: 2 data1=f.read().split('\n') 3 data2=[] 4 for i in data1: 5 data2.append(i.split('\t')) 6 import random 7 import datetime 8 while True: 9 n=int(input('输入随机抽点人数：')) 10 if n==0: 11 break 12 data3=[] 13 data4=[] 14 while len(data3)<n: 15 if data2[random.randint(0,len(data2)-1)] not in data3: 16 data3.append(data2[random.randint(0,len(data2)-1)]) 17 for i in data3: 18 print(','.join(i)) 19 data4.append(','.join(i)+'\n') 20 t=datetime.datetime.now() 21 filename=t.strftime('%Y%m%d')+'.txt' 22 with open (filename,'w',encoding='utf-8')as f: 23 f.writelines(','.join(data4))
