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"""
This example demonstrates how to write a custom highlighter.
"""
from random import randint
from rich import print
from rich.highlighter import Highlighter
class RainbowHighlighter(Highlighter):
def highlight(self, text):
for index in range(len(text)):
text.stylize(f"color({randint(16, 255)})", index, index + 1)
rainbow = RainbowHighlighter()
print(rainbow("I must not fear. Fear is the mind-killer."))