tk1

import tkinter as tk

app=tk.Tk()
app.title("这是标题")   # 显示标题

theLabel=tk.Label(app,text='窗口程序!') # 显示文本,图片,图标
theLabel.pack() # 自动调节组件尺寸

app.mainloop()

tk2

import tkinter as tk

class APP:
    def __init__(self,master):
        frame=tk.Frame(master)
        frame.pack(side=tk.LEFT,padx=10,pady=10)

        self.hi_there=tk.Button(frame,text='打招呼',fg='white',bg='black',command=self.say_hi)
        self.hi_there.pack()

    def say_hi(self):
        print('大家好!')

root=tk.Tk()
app=APP(root)

root.mainloop()

tk3 添加图片

from tkinter import *

root=Tk()
textLabel = Label(root,text='文字配图片',padx=10)

textLabel.pack(side=LEFT)

photo = PhotoImage(file='photo1.png')
imgLabel = Label(root, image=photo)
imgLabel.pack(side=RIGHT)
mainloop()

tk4 图片作背景

from tkinter import *

root=Tk()
photo = PhotoImage(file='photo1.png')
theLabel = Label(root,text='我是一只大熊猫!\n哈哈哈哈哈!',justify=LEFT,image=photo,compound=CENTER,
                 font=('微软雅黑',20),
                 fg='green')
theLabel.pack()
mainloop()