摘要:
def is_valid(id): if len(id) != 18: return False try: for i in id: if i == 'X': continue elif type(eval(i)) == int: continue else: return False except 阅读全文
摘要:
with open('data3.txt', 'r', encoding = 'utf-8') as f: data2= [line.strip('\n') for line in f] num=[eval(i) for i in data2[1:]] print(f'原始数据是:\n{num}') 阅读全文
摘要:
#任务1 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) f 阅读全文
摘要:
for i in x: print(f'{i:02d}', end = '-') print('\n整数输出3: ', end = '') for i in x[:-1]: print(f'{i:02d}', end = '-') print(f'{x[-1]:02d}') print('\n字符输 阅读全文