from wonderLang import *
def japan(x,y):
    def centre_rect(x,y,w,h):
        i = 0
        jump(x-w/2,y+h/2)
        while i < 2:
            forward(w)
            right(90)
            forward(h)
            right(90)
            i = i + 1

    def circle(x,y,r):
        i = 0
        jump(x,y + r)
        while i < 100:
            forward(2*3.1415926*r/100)
            right(360/100)
            i = i + 1
    circle(x,y,200/5*3/2)
    jump(x-300/2,y+200/5)
    centre_rect(x,y,300,200)
japan(0,0)

from wonderLang import *
def a(x,y,b,c):
    jump(x,y)
    i=0
    while i<2:
        forward(b)
        right(90)
        forward(c)
        right(90)
        i=i+1
def japan(x,y):
    jump(x,y+3/2)
    a=2*3.1415926*(3/5)
    i=0
    while i<100:
        forward(a)
        right(360/100)
        i=i+1
a(-100,100,300,200)
japan(50, 60)

有两个你在Japan里调用的函数没有被声明，把前两个代码复制过来，位置、大小改一下就行了

center_rect(x, y, w, h)
circle(x,y,r)

这两个函数没有定义，看我刚才发的那个是定义过的

def polygon2(sides,length):
    angle = 180 - ((sides - 2) * 180 / sides)
    i = 0
    while i < sides:
        forward(length)
        right(angle)
        i = i + 1

def circle(x,y,r):
    jump(x,y)
    sides = 36
    length = (2 * math.pi * r) / sides
    left_angle = (90 + (360 / sides) / 2)
    right(-left_angle)
    forward(r)
    right(left_angle)
    polygon2(sides,length)

def rect(x,y,w,h):
    jump(x,y)
    angle = 90
    i = 0
    while i < 2:
        forward(w)
        right(angle)
        forward(h)
        right(angle)
        i = i + 1

def center_rect(x,y,w,h):
    jump(x,y)
    x1 = x - w / 2
    y1 = y + h / 2
    rect(x1,y1,w,h)

def japan(x, y):
    width = 300
    height = 200
    center_rect(x,y,width,height)
    r = height * 3 / 5 / 2
    circle(x,y,r)

japan(0,0)

应该是这样做

这些题老师课上都讲过了

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