Answers for "how to check a file is already in folder using python"

python how to see if file is directory

"""
Use os.path.isfile(some_string) to check if some_string is a file
Use os.path.isdir(some_string) to check if some_string is a directory
"""
import os

path = "C:/some directory/"
file = path + "file.txt"

print("variable path is a file:", os.path.isfile(path) )
print("variable path is a directory:", os.path.isdir(path) )

print()

print("variable file is a file:", os.path.isfile(file) )
print("variable file is a directory:", os.path.isdir(file) )

python if certain file is in a directory

import os

os.path.exists('./final_data_2020.csv')