摘要： from turtle import * def moveto(x,y): penup() goto(x,y) pendown() def main(): setup(800, 600) speed(0) for radius in range(20, 200, 20): moveto(0, -ra 阅读全文

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

摘要： with open('data1_1.txt', 'r', encoding = 'utf-8') as f: data = f.readlines() n = 0 for line in data: if line.strip('\n') == '': continue n += 1 print( 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='-') print('\n整数输出3： 阅读全文

摘要： print('hey, u') print('hey', ' u') x = 1 y = 2 z = 3 print(x, y, z) print('x = %d, y = %d, z = %d' %(x,y,z)) # 方法1 print('x = {}, y = {}, z = {}'.form 阅读全文

摘要： x1,y1 = 1.2,3.57 x2,y2 = 2.26,8.7 print('{:-^40}'.format("输出1")) print('x1 = {},y1 = {}'.format(x1,y1)) print('x2 = {},y2 = {}'.format(x2,y2)) print(" 阅读全文