#!/usr/bin/python
import difflib, sys
file1 = sys.argv[1]
file2 = sys.argv[2]
diff = difflib.unified_diff ( open(file1).readlines(), open(file2).readlines(), fromfile=file1, tofile=file2 )
strings = list()
for line in diff:
strings.append(line.replace('\n', ''))
for string in strings:
print(string)