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class User: def __init__(self,name='guest',password='111111',statu='1'): self.name=name self.password=password self.statu=statu def info(self): if sel 阅读全文
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def is_valid(x): if len(x) != 18: return False else: for i in x: try: i = int(i) except: if ord(i) != ord('X'): return False return True with open('da 阅读全文
摘要:
with open('data3.txt','r+', encoding='UTF-8') as f: x = [line.strip('\n') for line in f] x.pop(0) x_print = [eval(i) for i in x] print(f"原始数据:\n{x_pri 阅读全文
摘要:
import random print('用列表存储随机整数: ') ls = [random.randint(1, 100) for i in range(5)] print(ls) print('\n用集合存储随机整数') s1 = {random.randint(1,100) for i in 阅读全文
摘要:
#实验任务1 # 基础操作练习: 列表及列表推导式、格式化、类型转换 x = list(range(10)) print('整数输出1: ', end = '') for i in x: print(i, end=' ') print('\n整数输出2: ', end = '') for i in 阅读全文