>>> r = 25
>>> area = 3.1415 * r * r
>>> print(area)1963.4375000000002
>>> print(" {:.2f}".format(area))1963.44
import turtle
for i in range(3):
turtle.seth(i*120)
turtle.fd(100)
num = 414//23
number = input('猜一猜414//23的运行结果吧')
times = 1
while True:
if times > 2:
break
if number.isnumeric():
if int(number) == num:
break
if int(number) > num:
number = input('不对哦，猜大了')
else:
number = input('不对哦，猜小了')
else:
number = input('需要在下方输入数字')
times += 1
if times > 2 and int(number) != num:
print('三次机会用完了')
else:
print('恭喜你猜中了')
print('结果是' + str(num))
画心
import turtle
def curvemove():
for i in range(200):
turtle.right(1)
turtle.forward(1)
turtle.color('red')
turtle.begin_fill()
turtle.left(140)
turtle.forward(111.65)
curvemove()
turtle.left(120)
curvemove()
turtle.forward(111.65)
turtle.end_fill()
turtle.penup()
turtle.goto(-40, -50)
turtle.pendown()
turtle.write('', font = ('SimHei', 15, 'bold'))
turtle.hideturtle()
绘制圣诞树
import turtle
screen = turtle.Screen()
screen.setup(375,700)
circle = turtle.Turtle()
circle.shape('circle')
circle.color('red')
circle.speed('fastest')
circle.up()
square = turtle.Turtle()
square.shape('square')
square.color('green')
square.speed('fastest')
square.up()
circle.goto(0,280)
circle.stamp()
k = 0
for i in range(1, 13):
y = 30*i
for j in range(i-k):
x = 30*j
square.goto(x,-y+280)
square.stamp()
square.goto(-x,-y+280)
square.stamp()
if i % 4 == 0:
x = 30*(j+1)
circle.color('red')
circle.goto(-x,-y+280)
circle.stamp()
circle.goto(x,-y+280)
circle.stamp()
k += 3
if i % 4 == 3:
x = 30*(j+1)
circle.color('yellow')
circle.goto(-x,-y+280)
circle.stamp()
circle.goto(x,-y+280)
circle.stamp()
square.color('brown')
for i in range(13,17):
y = 30*i
for j in range(2):
x = 30*j
square.goto(x,-y+280)
square.stamp()
square.goto(-x,-y+280)
square.stamp()
text = turtle.Turtle()
text.hideturtle()
text.penup()
text.goto(-120, 270)
text.color('red')
text.write('圣诞快乐', font = ('SimHei', 18, 'bold'))
#可以把【圣诞快乐】换成你的祝福语哦~
