摘要:
from math import* from time import* scale=20 s,m,=1,2 print("执行开始".center(scale//2, "-")) start = perf_counter() for i in range(scale+1): s=sqrt((1-sq 阅读全文
摘要:
import turtle for i in range(4): turtle.pencolor("red") turtle.pensize(2) turtle.penup() turtle.goto(0,-20*(i+1)) turtle.pendown() turtle.circle(20*(i 阅读全文
摘要:
import turtle turtle.pensize(5) turtle.pencolor("yellow") turtle.fillcolor("red") turtle.begin_fill() for i in range(5): turtle.forward(200) turtle.ri 阅读全文