tex.delete('1.0', END)
# Import Module
from tkinter import *
# Create Object
root = Tk()
# specify size of window.
root.geometry("400x500")
# delete content from Text Box
def delete_text():
T.delete("1.0", "end")
# Create text widget
T = Text(root)
T.pack()
# Create Delete Button
Button(root, text="Delete", command=delete_text).pack()
# Execute Tkinter
root.mainloop()