import turtle as t
import random
def star(f,c,r):
t.tracer(0)
t.color(c)
t.seth(r)
t.fillcolor(c)
t.begin_fill()
for i in range(5):
t.forward(f)
t.left(144)
t.end_fill()
t.update()
f = int(input('星星的边长：'))
c = input('请输入颜色：')
for i in range(50):
t.penup()
x = random.randint(-200,200)
y = random.randint(-150,150)
r = random.randint(0,360)
t.goto(x,y)
t.pendown()
star(f,c,r)
