实验6 文件应用编程-2
task3.py
1 def is_valid(y): 2 if len(y)==18: 3 y1=y[:17] 4 if y1.isdigit(): 5 for j in y: 6 y2=[] 7 y2.append(j) 8 m=['1','2','3','4','5','6','7','8','9','X'] 9 if y[-1] in m: 10 return True 11 else: 12 return False 13 else: 14 return False 15 else: 16 return False 17 with open('data3_id.txt','r',encoding='utf-8')as f: 18 data=f.readlines() 19 list=[] 20 for i in data: 21 datas=i.strip('\n') 22 if is_valid(datas[3:])==True: 23 list.append(datas) 24 list.sort(key=lambda y:y[9:13]) 25 for m in list: 26 print(f'{m[:2]},{m[9:13]}-{m[13:15]}-{m[15:17]}')
task5.1.py
1 import random 2 import datetime 3 t = datetime.datetime.now() 4 m = eval(input('输入随机抽点人数:')) 5 with open('data5.txt', encoding = 'utf-8') as f: 6 data = f.readlines() 7 list = [] 8 for i in range(m): 9 x = random.choice(data) 10 list.append(x) 11 data.remove(x) 12 filename = t.strftime('%Y%m%d') + '.txt' 13 with open(filename, "w+", encoding="utf-8") as f: 14 f.writelines(list) 15 f.seek(0) 16 print(f.read())
task5.2.py
1 import random 2 import datetime 3 t = datetime.datetime.now() 4 print("{0:{1}{3}{2}}".format("抽点开始", "=", 40, "^")) 5 list_ = [] 6 while True: 7 n = eval(input("输入随机抽点人数: ")) 8 if n == 0: 9 break 10 else: 11 with open("data5.txt", encoding="utf-8") as f: 12 data = f.readlines() 13 list = [] 14 for i in range(n): 15 x = random.choice(data) 16 list.append(x) 17 data.remove(x) 18 with open("20220517.txt", "w+", encoding="utf-8") as f: 19 f.writelines(list) 20 f.seek(0) 21 print(f.read()) 22 list_ += list 23 filename = t.strftime('%Y%m%d') + '.txt' 24 with open(filename, "w", encoding="utf-8") as f: 25 f.writelines(list_) 26 print("{0:{1}{3}{2}}".format("抽点结束", "=", 40, "^"))
