编辑代码

import random
import tkinter as tk

n=random.randint(0,49)
root = tk.Tk()
l=[]

def left_click(event):
    n=random.randint(0,49)
    if n in l:
        n=random.randint(0,49)
    else:
        print(f"{n}号起立")
        l.append(n)
    
root.bind("<Button-1>", left_click)   # 左键
root.mainloop()