from tkinter import *
from tkinter import messagebox
class Application(Frame):
def __init__(self...1.0,"0123456789\n abcdddd")
self.w1.insert(2.3,"dddddddd\n")
Button(self,text ="重复插入文本...",command = self.insertText).pack(side = "left")
Button(self, text="返回文本", command=self.returnText...self, text="添加组件", command=self.addWidget).pack(side="left")
# Button(self, text="通过tag精确的控制文本...# END 表示在最后插入
self.w1.insert(END,'[kkk]')
def returnText(self):
print("所有的文本