# 导入所需的库
from tkinter import *
from tkinter import ttk

# 创建一个 tkinter 窗口或框架的实例
win = Tk()

# 设置窗口的大小
win.geometry("700x350")

def change_bgcolor(e):
label.config(background="#adad12")

def change_fgcolor(e):
label.config(foreground="white")

# 添加一个标签小部件
label = Label(win, text="Hello World! Welcome to Tutorialspoint", font=('Georgia 19 italic'))
label.pack(pady=30)

# 添加按钮来触发事件
b1 = ttk.Button(win, text="Button-1")
b1.pack()

# 绑定事件
for b in [b1]:
b.bind("<Enter>", change_bgcolor)
b.bind("<Leave>", change_fgcolor)

win.mainloop()