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: """用户""" count = 0 def __init__(self, name='guest', password=111111, status=1): User.count += 1 self.name = name self.password = password 阅读全文

摘要： def is_valid(x): ls=[str(i) for i in range(0,10)] ls.append('X') if len(x)<18: return False for a in range(len(x)): if x[a] not in ls: return False br 阅读全文

摘要： with open('data3.txt','r',encoding='utf-8')as f: data=f.read().strip().split('\n') data[0]='原始数据'+'\t'+'四舍五入后数据'+'\n' for i in range(1,len(data)): dat 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) 1.Built-in 2.Global 3.Local 4.Global def f 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 = '-') # 指 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