#walk : used to give you the path of files in folder
import os

lst = []

def list_files(mainPath):
    for d, sb, f in os.walk(mainPath):
        for file_name in f:
            full_path = os.path.join(d, file_name)
            lst.append(full_path)

list_files(r"C:\Users\osama\Desktop\New folder")
print(lst)