摘要： from turtle import * def square(size=50, rgb='gold'): pencolor(rgb) for i in range(4): fd(size) left(90) def main(): setup(800, 600) speed(0) n = 10 f 阅读全文

摘要： class User: count=0 def __init__(self,name='guest',password=111111,state=1): self.name = name self.password = password self.state= state User.count+=1 阅读全文

摘要： def is_valid(id): if len(id[1]) == 18 and (id[1][:-1].isdigit() and id[1][-1] in '0123456789X'): return True return Falsewith open('data3_id.txt', 'r' 阅读全文

摘要： with open('data3.txt','r+', encoding='UTF-8') as f: num = [line.strip('\n') for line in f] num.pop(0) num_print = [eval(i) for i in num] print(f"原始数据: 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) def func1(a, b, c, d, e, f): return [a,b,c 阅读全文

摘要： 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(1,100) for i 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 = '-') prin 阅读全文

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