有哪位能帮我看一下代码？

Question

 from tkinter import HIDDEN,NORMAL,Tk,Canvas
def toggle_eyes():
    current_color=c.itemcget(eye_left,'fill')
    new_color=c.body_color if current_color=='white'else'white'
    current_state=c.itemcget(pupil_left,'state')
    new_state=NORMAL if current_state==HIDDEN else HIDDEN
    c.itemconfigure(pupil_left,state=new_state)
    c.itemconfigure(pupil_right,state=new_state)
    c.itemconfigure(eye_left,fill=new_color)
    c.itemconfigure(eye_right,fill=new_color)
def blink():
    toggle_eyes()
    root.after(250,toggle_eyes)
    root.after(3000,blink)
def show_happy(event):
    if (20＜=event.x＜=350) and(20＜=event.y＜=350):
        c.itemconfigure(cheek_left,state=NORMAL)
        c.itemconfigure(cheek_right,state=NORMAL)
        c.itemconfigure(mouth_happy,state=NORMAL)
        c.itemconfigure(mouth_normal,state=HIDDEN)
        c.itemconfigure(mouth_sad,state=HIDDEN)
    return
def hide_happy(event):
    c.itemconfigure(cheek_left,state=HIDDEN)
    c.itemconfigure(cheek_right,state=HIDDEN)
    c.itemconfigure(mouth_happy,state=HIDDEN)
    c.itemconfigure(mouth_normal, state=NORMAL)
    c.itemconfigure(mouth_sad,state=HIDDEN)
root=Tk()
c=Canvas(root,width=400,height=400)
c.configure(bg='dark blue',highlightthickness=0)
c.body_color='SkyBlue1'
body=c.create_oval(35,20,365,350,outline=c.body_color,fill=c.body_color)
ear_left=c.create_polygon(75,80,75,10,165,70,outline=c.body_color,fill=c.body_color)
ear_right=c.create_polygon(255,45,325,10,320,70,outline=c.body_color,fill=c.body_color)
foot_left=c.create_oval(65,320,145,360,outline=c.body_color,fill=c.body_color)
foot_right=c.create_oval(250,320,330,360,outline=c.body_color,fill=c.body_color)
eye_left=c.create_oval(130,110,160,170,outline='black',fill='white')
pupil_left=c.create_oval(140,145,150,155,outline='black',fill='black')
eye_right=c.create_oval(230,110,260,170,outline='black',fill='white')
pupil_right=c.create_oval(240,145,250,155,outline='black',fill='black')
mouth_normal=c.create_line(170,250,200,272,230,250,smooth=1,width=2,state=NORMAL)
mouth_happy=c.create_line(170,250,200,282,230,250,smooth=1,width=2,state=HIDDEN)
mouth_sad=c.create_line(170,250,200,232,230,250,smooth=1,width=2,state=HIDDEN)
cheek_left=c.create_line(70,180,120,230,outline='pink',fill='pink',state=HIDDEN)
cheek_right=c.create_line(280,180,330,230,outline='pink',fill='pink',state=HIDDEN)
c.pack()
c.bind('＜Motion＞',show_happy)
c.bind('＜Leave＞',hide_happy)
root.after(1000,blink)
root.mainloop()

File "/Users/fym/Desktop/方嘉铭 编程/屏幕宠物.py", line 16
    if (20＜=event.x＜=350) and(20＜=event.y＜=350):
         ^
SyntaxError: invalid decimal literal

Answer 1

第十六行，小于号要在英文输入法输入，你现在输入的数中文得小于号，改成英文的小于号就好了