摘要:
import time scale = 50 print("执行开始".center(scale//2,'-')) start = time.perf_counter() for i in range(scale+1): a = '*' * i b = '.' * (scale - i) c = ( 阅读全文
摘要:
import turtle as t t.pensize(2) for i in range(6): t.fd(150) t.left(60) 阅读全文