实验八 Python库应用编程与体验

实验1，2

from turtle import*
from random import random, randint
def moveto(x,y):
    penup()
    goto(x,y)
    pendown()

setup(800,600)
speed(100)

radius=180
for i in range(9):
    moveto(0,-radius)

    rgb=tuple(random() for i in range(3))
    color(rgb)
    begin_fill()
    circle(radius)
    end_fill()
    radius-=20
hideturtle()
done()

实验3

from turtle import*

def square(size=50,rgb='pink'):
  
    pencolor(rgb)
    for i in range(4):
        fd(size)
        lt(90)
def main():
    setup(800,600)
    speed(10)
    n=10
    for i in range(n):
        square(80,'orange')
        lt(360/n)
        hideturtle()

    done()
if __name__=='__main__':
    main()

实验4

from turtle import*

setup(800,600)
pencolor('pink')
speed(0)

n=10
for i in range(n):
    for j in range(2):
        circle(80,90)
        lt(90)
    right(360/n)
hideturtle()
done()

 实验5

from turtle import*

setup(800,600)
bgcolor('black')
pencolor('white')
speed(0)

angle=0
size=2

n=10
for i in range(n):
    for j in range(4):
        fd(size)
        angle+=72
        seth(angle)
        size+=5
   
hideturtle()
done()

实验6

from turtle import*
from random import random,randint

setup(800,600)
speed(0)

def rect(wide,high,rgb):
    fillcolor(rgb)
    begin_fill()
    penup()
    for i in range(2):
        fd(wide)
        left(90)
        fd(high)
        left(90)
    fd(wide)
    pendown()
    end_fill()
    

for i in range(20):
    rgb=tuple(random() for i in range(3))
    rect(20,40,rgb)

hideturtle()
done()