how to check if a specific data exists on txt file in django code example

Example 1: python check if file exists

import os

os.path.exists("file.txt") # Or folder, will return true or false

Example 2: python os if file exists

import os.path

if os.path.isfile('filename.txt'):
    print ("File exist")
else:
    print ("File not exist")

Example 3: file exist python

import os.path

if os.path.exists('filename.txt'):
    print ("File exist")
else:
    print ("File not exist")

Example 4: python check if file exists

#using pathlib
from pathlib import Path

file_name = Path("file.txt")
if file_name.exists():
    print("exists") 
else:
    print("does not exist")