摘要： task1 class Account: def __init__(self, name, account_number, initial_amount = 10): self._name = name self._card_no = account_number self._balance = i 阅读全文

摘要： task1-1 from turtle import * def move(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变形''' for i in r 阅读全文

摘要： print(sum) sum=42 print(sum) def inc(n): sum=n+1 print(sum) return sum sum=inc(7)+inc(7) print(sum) 答：不是。line1的作用域为全局作用域·，line3的作用域是外部嵌套作用域，line7的作用域为 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拥集合存储随机整数：') s1={random.randint(0,100) for i in ra 阅读全文

摘要： 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.rjust( 阅读全文

摘要： task1_1 print('hey,u') hey,u print('hey','u') hey u x,y,z=1,2,3 print(x,y,z) 1 2 3 print('x = %d, y = %d, z = %d' %(x,y,z)) x = 1, y = 2, z = 3 print( 阅读全文