Python - replace text inplace in file

replace_in_place.py

# cat $HOME/my_file.txt
# Hi there
# This is a second line
# And third with text_to_replace string

import fileinput
from pathlib import Path
filepath = Path.home() / my_file.txt

with fileinput.FileInput(str(filepath.resolve()), inplace=True) as f:
    for line in f:
        print(line.replace('text_to_replace', "replaced_text"), end='')

# cat $HOME/my_file.txt
# Hi there
# This is a second line
# And third with replaced_text string