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To use Tkinter's scrolledText widget to display console output, you first need to import the necessary modules and create a window with the scrolledText widget:

import tkinter as tk
from tkinter import scrolledtext

root = tk.Tk()
root.title("Console Output")

console = scrolledtext.ScrolledText(root, height=10, width=50)
console.pack()

Next, you can redirect the standard output and standard error streams to the widget by creating a custom class that overrides the write() method:

class RedirectText:
    def __init__(self, text):
        self.output = text

    def write(self, string):
        self.output.insert(tk.END, string)

Then, you can create instances of the RedirectText class for both sys.stdout and sys.stderr, and assign them to the appropriate streams:

import sys

stdout_redirect = RedirectText(console)
sys.stdout = stdout_redirect

stderr_redirect = RedirectText(console)
sys.stderr = stderr_redirect

Finally, when you run code that generates console output, such as printing to the console, that output will be displayed in the scrolledText widget:

print("Hello, world!")

You can also redirect the standard input stream using a similar method to allow user input to be entered directly into the widget.