#coding: utf-8

with open('1.txt') as fh:
   s = fh.read()
print(type(s))
print(s)

parser_result = u'баба-яга'

print(parser_result + s)

Python 2:

Traceback (most recent call last):

File "C:/Users/holodnuk/Desktop/ChaineR-master/test.py", line 10, in <module>

print(parser_result + s)

UnicodeDecodeError: 'ascii' codec can't decode byte 0xd0 in position 0: ordinal not in range(128)

<type 'str'>

кощей

Python 3: все строки юникод

<class 'str'>

кощей

баба-ягакощей