实验6 文件应用编程-2
task3
1 def is_valid(id): 2 if len(id[1]) == 18 and (id[1][:-1].isdigit() and id[1][-1] in '0123456789X'): 3 return True 4 return False 5 6 7 with open('data3_id.txt', 'r', encoding='utf-8') as f: 8 id_name = [(i[:2], i[3:].strip('\n')) for i in f.readlines()[1:]] 9 10 result = list(filter(is_valid, id_name)) 11 result.sort(key=lambda x: int(x[1][6:14])) 12 for i in result: 13 print(f"{i[0]},{i[1][6:10]}-{i[1][10:12]}-{i[1][12:14]}")
截图：
task5_1
1 import random 2 3 n = eval(input("抽点人数: ")) 4 with open("data5.txt", "r+", encoding="UTF-8") as f: 5 list_all = [i.strip("\n") for i in f.readlines()] 6 7 menu = random.sample(list_all, n) 8 9 with open("name.txt", "w+", encoding="UTF-8") as f: 10 for i in menu: 11 print(i) 12 f.write(i+"\n")
截图：
task5_2
1 import random 2 3 with open("data5.txt", "r+", encoding="UTF-8") as f: 4 list_all = [i.strip("\n") for i in f.readlines()] 5 6 print(f"{'抽点开始':=^40}") 7 n = eval(input("随机抽人：")) 8 while n !=0: 9 people = random.sample(list_all, n) 10 for i in people: 11 print(i) 12 list_all.remove(i) 13 with open("name.txt", "a+", encoding="UTF-8") as f: 14 for i in people: 15 f.write(i+"\n") 16 n = eval(input("随机抽人：")) 17 print(f"{'抽点结束':=^40}")
截图：
