CODE EXAMPLE FOR PYTHON

python get file path

import os

def read_file(file_name):
    file_handle = open(file_name)
    print file_handle.read()
    file_handle.close()

file_dir = os.path.dirname(os.path.realpath('__file__'))
print file_dir

#For accessing the file in the same folder
file_name = "same.txt"
read_file(file_name)

#For accessing the file in a folder contained in the current folder
file_name = os.path.join(file_dir, 'Folder1.1/same.txt')
read_file(file_name)

#For accessing the file in the parent folder of the current folder
file_name = os.path.join(file_dir, '../same.txt')
read_file(file_name)

#For accessing the file inside a sibling folder.
file_name = os.path.join(file_dir, '../Folder2/same.txt')
file_name = os.path.abspath(os.path.realpath(file_name))
print file_name
read_file(file_name)