Ошибка при компиляции UnicodeDecodeError

# coding: utf-8
# Your code here!
from textwrap import wrap
import operator
 
def text_2_bits(text, encoding='utf-8', errors='surrogatepass'):
    bits = bin(int.from_bytes(text.encode(encoding, errors), 'big'))[2:]
    return bits.zfill(8 * ((len(bits) + 7) // 8))
    
def bits_2_text(bits, encoding='utf-8', errors='surrogatepass'):
    n = int(bits, 2)
    return n.to_bytes((n.bit_length() + 7) // 8, 'big').decode(encoding, errors) or '\0'
    
def code(text):
    n = len(text)
    text_1 = [0] * n
    text_1[0] = int(text[0])
    for i in range(1, n):
        text_1[i] = operator.xor(int(text[i]), int(text_1[i-1]))
        
    #print(text_1)
    return text_1
    
def decode(text):
    n = len(text)
    text_1 = [0] * n
    text_1[0] = int(text[0])
    for i in range(1, n):
        text_1[i] = operator.xor(int(text[i]), int(text[i-1]))
        
    return text_1
       
 
f_text = open('text-for-code.txt', 'r')
for text_for_code in f_text:
    text_for_code
f_text.close()
 
text_code = text_2_bits(text_for_code)
#print(text_code)
 
tt = code(text_code)
str_code = "".join(str(x) for x in tt)
code = bits_2_text(str_code)
print("code: ")
#print(tt)
print(code)
 
 
tt2 = decode (tt)
str_decode = "".join(str(x) for x in tt2)
decode = bits_2_text(str_decode)
print("decode: ")
#print(tt2)
print(decode)