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from turtle import * def square(size=50, rgb='orange'): '''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) lef 阅读全文
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class User: def __init__(self, name, password='111111', status='1'): # 构造新账户 self.name = name self.password = password self.status = status def info(s 阅读全文
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3 def is_valid(x): a,b,c = set(x),set("1234567890X"),set() if (a|b)-b!=c or len(x)!=18:return False return True with open('data3_id.txt','r',encoding= 阅读全文
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with open('data1_1.txt', 'r', encoding='utf-8') as f: n=0 for line in f: # 逐行遍历处理 if line.strip('\n') =='': continue n+=1 print(f'共{n}行') with open('d 阅读全文
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task1.py print(sum) sum = 42 print(sum) def inc(n): sum = n+1 print(sum) return sum sum = inc(7) + inc(7) print(sum) 源码中,共有4处有python语句 print(sum) (lin 阅读全文
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#task1.py 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(1,1 阅读全文
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1. 实验任务1# 基础操作练习: 列表及列表推导式、格式化、类型转换 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 阅读全文
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# print输出的几种用法 # 用法1:用于输出单个字符串或单个变量 print('hey, u') # 用法2: 用于输出多个数据项,用逗号分隔 print('hey', ' u') x,y,z = 1,2,3 print(x, y, z) # 用法3: 用户混合字符串和变量值 print('x 阅读全文
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1 print("hi,python,I'm trying") 2 3 a,b = eval(input('Enter two numbers: ')) 4 print(f'a = {a},b = {b}') 阅读全文