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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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def main(): pass if __name__ == '__main__': main() class User: """用户""" count = 0 def __init__(self, name='guest', password=111111, status=1): User.co 阅读全文
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def is_valid(x): for i in x[0:-2]: if not i.isdigit(): return False if len(x)!=18 or not (x[-1].isdigit() or x[-1]=='X'): return False else: return Tr 阅读全文
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3 with open('data3.txt','r') as f: yuanshi=f.readlines() yuanlist=[] pro=[] for i in yuanshi: j=i.strip('\n') if j=='原始数据': pass else: yuanlist.append 阅读全文
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task1 print(sum) sum = 42 print(sum) def inc(n): sum = n+1 print(sum) return sum sum = inc(7) + inc(7) print(sum) 第一个sum,内置作用域.第二个sum变量名,第三个sum局部作用域,第 阅读全文
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task1 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) 阅读全文
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task1 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 = '- 阅读全文
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task.1.1 rint('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)) print(f'x={x},y 阅读全文