实验6
3
1 def is_valid(a): 2 l=0 3 f=0 4 for i in a: 5 l+=1 6 if '0'<=i<='9' or i=='X': 7 pass 8 else: 9 f+=1 10 break 11 if l!=18 or f!=0: 12 return False 13 if l==18 and f==0: 14 return True 15 with open("data3_id.txt","r",encoding="utf-8") as f: 16 data=f.readlines() 17 b=[] 18 for i in range(1,len(data)): 19 f=data[i][3::].strip() 20 if is_valid(f)==True: 21 b.append(data[i]) 22 f3=[] 23 f4=[] 24 for i in b: 25 name=i[:2:] 26 year=i[9:13:] 27 month=i[13:15:] 28 day=i[15:17:] 29 flag=[year,month,day] 30 flag1="-".join(flag) 31 f3.append(flag1) 32 flag=[name,flag1] 33 flag2=",".join(flag) 34 f4.append(flag2) 35 f3=sorted(f3,reverse=False) 36 answer=[] 37 for i in f3: 38 for j in f4: 39 if i in j: 40 answer.append(j) 41 for i in answer: 42 print(i)
5-1
1 with open("data5.txt","r",encoding="utf-8") as f: 2 d=f.readlines() 3 import random 4 n=int(input("输入随机抽点人数:")) 5 f1=set() 6 l=len(f1) 7 while l<n: 8 f=random.randint(0,len(d)) 9 f1.add(d[f]) 10 l=len(f1) 11 for i in f1: 12 print(i,end="") 13 with open("20220518.txt","w",encoding="utf-8") as f: 14 for i in f1: 15 f.write(i)
5-2.
1 with open("data5.txt","r",encoding="utf-8") as f: 2 d=f.readlines() 3 import random 4 with open("20220518_1.txt","a",encoding="utf-8") as f11: 5 flag = 1 6 while (flag == 1): 7 n = int(input("输入随机抽点人数:")) 8 if n == 0: 9 flag = 0 10 else: 11 f1 = set() 12 l = len(f1) 13 while l < n: 14 f = random.randint(0, len(d)) 15 f1.add(d[f]) 16 l = len(f1) 17 for i in f1: 18 print(i, end="") 19 f11.write(i)