IF exisits python3 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 with statement file does not exist exception
import os
PATH = './file.txt'
if os.path.isfile(PATH) and os.access(PATH, os.R_OK):
print("File exists and is readable")
else:
print("Either the file is missing or not readable")