摘要： class Account: """一个模拟银行账户的简单类""" def __init__(self, name, account_number, initial_amount = 10): """构造新账户""" self._name = name self._card_no = account 阅读全文

摘要： from turtle import * def moveto(x,y): ''' 画笔移动到坐标（x,y）处 ''' penup() goto(x,y) pendown() def draw(n,size = 100): ''' 绘制边长为size的正n边形 ''' for i in range( 阅读全文

摘要： import random print('用列表存储随机整数: ') lst = [random.randint(0, 100) for i in range(5)] print(lst) print('\n用集合存储随机整数: ') s1 = {random.randint(0, 100) for 阅读全文

摘要： 实验一x = 'nba FIFA' print(x.upper()) print(x.lower()) print(x.swapcase()) print() x = 'abc' print(x.center(10, '*')) print(x.ljust(10, '*')) print(x.rju 阅读全文