artillery game with python turtle

cannon1.py

import turtle
import random

turtle.setup(1400,800)

peter=turtle.Turtle()
peter.pencolor("blue")
peter.pensize(3)
peter.fillcolor("red")

franz=turtle.Turtle()
franz.pencolor("yellow")
franz.pensize(3)
franz.fillcolor("brown")

susi=turtle.Turtle()
susi.pencolor("purple")
susi.pensize(3)
susi.fillcolor("green")


def cannon(t,angle=45, length=100, radius=20):
    t.begin_fill()
    t.left(angle)
    t.circle(-20)
    t.fd(-40)
    t.fd(100)
    t.left(90)
    t.fd(10)
    t.left(90)
    t.fd(100)
    t.left(90)
    t.fd(10)
    t.end_fill()
    t.left(90)
    t.fd(100)
    t.left(90)
    t.fd(5)
    t.right(90)

def baloon(t,radius=10):
    t.circle(radius)
    t.left(90)
    t.fd(radius)
    
#main

#cannon to down left

peter.penup()
peter.goto(-600,-385)
peter.pendown()

cannon(peter)


#x = random.randint(0,300)
#y = random.randint(0,300)

#franz.penup()
#franz.goto(x,y)
#franz.pendown()
#ballon(franz)

#kanone(peter)
#peter.penup()
#peter.goto(200,200)
#peter.pendown()
#ballon(peter)


play = True
runde = 0 #round
gravity = -9.81
while play:
    runde +=1
    peter.penup()
    peter.goto(-600,-385)
    peter.setheading(0)
    peter.pendown()
    
    franz.clear()
    
    x = random.randint(0,300)
    y = random.randint(0,300)

    franz.penup()
    franz.goto(x,y)
    franz.pendown()
    baloon(franz)
    angle = turtle.numinput("player 1, round {}".format(runde), "angle")
    speed =  turtle.numinput("player 1, round {}".format(runde),"speed")    
    peter.clear()
    cannon(peter, angle)
    turtle.home()
    turtle.clear()
    turtle.left(angle)
    turtle.fd(speed)
    dx = turtle.xcor()
    dy = turtle.ycor()
    turtle.home()
    turtle.clear()
    resultlist = []
    while peter.ycor() >= -385:
        peter.goto(peter.xcor()+dx, peter.ycor()+dy)
        dy += gravity
        d = peter.distance(franz)
        resultlist.append(d)
        if peter.distance(franz) < 30:
            peter.write("hit")
            play = False
            break
    susi.penup()
    susi.goto(200, runde*10)
    susi.pendown()
    susi.write("a:{} s:{} best distance {}".format(angle, speed, round(min(resultlist),3)))    

turtle.exitonclick()