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from turtle import * def square(size=50, rgb='pink'): '''绘制正方形 参数size指定边长 参数rgb指定画笔颜色 如果没有给参数,采用默认值 ''' pencolor(rgb) for i in range(4): fd(size) left 阅读全文
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class User: def __init__(self, name='guest', password=111111, status=1): self._name = name self._password = password self._status = status def info(se 阅读全文
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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
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task1with open('data3.txt','r',encoding='utf-8') as f1: data=f1.read().split('\n') x=[eval(i) for i in data[1:]] print(f'原始数据:\n{x}') y=[round(i) for 阅读全文
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task1print(sum) sum = 42 print(sum) def inc(n): sum = n+1 print(sum) return sum sum = inc(7) + inc(7) print(sum) 不是一个变量名 line1 内置 line3 全局作用域 line7 局部 阅读全文
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task1import 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
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task1. 1 # 基础操作练习: 列表及列表推导式、格式化、类型转换 2 x = list(range(10)) 3 4 print('整数输出1: ', end = '') 5 for i in x: 6 print(i, end=' ') 7 8 print('\n整数输出2: ', end 阅读全文
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1 print('hey', ' u') 2 x,y,z = 1,2,3 3 print(x, y, z) 4 5 print('x = %d, y = %d, z = %d'%(x,y,z)) 6 print('x = {}, y = {}, z = {}'.format(x,y,z)) 7 pr 阅读全文