import turtle
import time
r=10
h=90
for i in range(4):
turtle.circle(r,h)
turtle.circle(-10, 90)
time.sleep(2)
#turtle.circle(40,120)
#turtle.circle(-40,80)
import turtle
import time
turtle.setup(650,350,200,200)
turtle.penup()
turtle.fd(-250)
turtle.pendown()
turtle.pensize(25)
turtle.pencolor(“purple”)
turtle.seth(-40)
time.sleep(5)
for i in range(4):
turtle.circle(40,80)
turtle.circle(-40,80)
turtle.circle(40,80/2)
turtle.fd(40)
turtle.circle(16,180)
turtle.fd(40*2/3)
tempstr=input(“请输入带有符号的温度值：”)
if tempstr[-1] in [‘F’,‘f’]:
c=(eval(tempstr[0:-1])-32)/1.8
print(“转换后的温度是{:.2f}C”.format©)
elif tempstr[-1] in [‘C’,‘c’]:
f=1.8*eval(tempstr[0:-1])+32
print(“转换后的温度是{:.2f}F”.format(f))
else:
print(“输入带有符号的温度值格式错误”)
