Tkinter_Text.py

from tkinter import *
root = Tk()

text = Text(root)

text.insert(INSERT, "Hello.....")
text.insert(END, "Bye Bye.....")
text.pack()

text.tag_add("here", "1.0", "1.4")
text.tag_add("start", "1.8", "1.13")

text.tag_config("here", background="yellow", foreground="blue")
text.tag_config("start", background="black", foreground="green")

root.mainloop()