摘要:
1 class User : 2 def __init__(self,name='guest', password=111111, status=1): 3 self.name = name 4 self.password = password 5 self.status = status 6 de 阅读全文
摘要:
title = ['城市', '人口(万)'] info = [ ['南京', '850'], ['纽约', '2300'], ['东京', '3800'], ['巴黎', '1000'] ] with open('city1.csv', 'w', encoding='utf-8') as f: f 阅读全文
摘要:
with open('data1_2.txt','r',encoding='utf-8')as f: n=0 for line in f : if line.strip()=='': continue n+=1 print(f'共{n}行') with open('data1_1.txt', 'r' 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 阅读全文
摘要:
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 x: print(f'{i:02d}', end = '-') pri 阅读全文