Python cgi script not working. Error 500. How to fix?

Question

Python

I just can't get the python test to work. It accepts values ​​from 1 to 4 from each question into a variable (value-answer option). Everything works fine at home on localhost.
test.py

#!/usr/bin/python3.4
import sys
import codecs
sys.stdout = codecs.getwriter("utf-8")(sys.stdout.detach())
import cgi
import html
import http.cookies
import os
import cgitb; cgitb.enable()
from tegi import *


form = cgi.FieldStorage()
radio1 = int(form.getfirst("radio_1","none"))
radio2 = int(form.getfirst("radio_2","none"))
radio3 = int(form.getfirst("radio_3","none"))
radio4 = int(form.getfirst("radio_4","none"))
radio5 = int(form.getfirst("radio_5","none"))
radio6 = int(form.getfirst("radio_6","none"))
radio7 = int(form.getfirst("radio_7","none"))
radio8 = int(form.getfirst("radio_8","none"))
radio9 = int(form.getfirst("radio_9","none"))
radio10 = int(form.getfirst("radio_10","none"))
n=int(form.getfirst("numer","none"))



if n==7:
    f=open('test7.txt')
    name=f.readline()
    r1=int(f.readline())
    r2=int(f.readline())
    r3=int(f.readline())
    r4=int(f.readline())
    r5=int(f.readline())
    r6=int(f.readline())
    r7=int(f.readline())
    r8=int(f.readline())
    r9=int(f.readline())
    r10=int(f.readline())
    f.close()
if n==11:
    f=open('test11.txt')
    name=f.readline()
    r1=int(f.readline())
    r2=int(f.readline())
    r3=int(f.readline())
    r4=int(f.readline())
    r5=int(f.readline())
    r6=int(f.readline())
    r7=int(f.readline())
    r8=int(f.readline())
    r9=int(f.readline())
    r10=int(f.readline())
    f.close()




print("Content-Type: text/html\n\n")

print(html1)
print("""<h1 align="center">""",name,"</h1>")


t=int('1')
if radio1== r1:
    print("Верно")
    print("<br>")
    t=t+1

else:
    print("Неверно,",r1)
    print("<br>")
    t=int('0')

if radio2== r2:
    print("Верно")
    print("<br>")
    t=t+1

else:
    print("Неверно,",r2)
    print("<br>")

if radio3== r3:
    print("Верно")
    print("<br>")
    t=t+1
    
else:
    print("Неверно,",r3)
    print("<br>")

if radio4== r4:
    print("Верно")
    print("<br>")
    t=t+1
    
else:
    print("Неверно,",r4)
    print("<br>")

if radio5== r5:
    print("Верно")
    print("<br>")
    t=t+1
    
else:
    print("Неверно,",r5)
    print("<br>")

if radio6== r6:
    print("Верно")
    print("<br>")
    t=t+1
    
else:
    print("Неверно,",r6)
    print("<br>")

if radio7== r7:
    print("Верно")
    print("<br>")
    t=t+1

else:
    print("Неверно,",r7)
    print("<br>")

if radio8== r8:
    print("Верно")
    print("<br>")
    t=t+1

else:
    print("Неверно,",r8)
    print("<br>")

if radio9== r9:
    print("Верно")
    print("<br>")
    t=t+1

else:
    print("Неверно,",r9)
    print("<br>")

if radio10== r10:
    print("Верно")
    print("<br>")
    t=t+1

else:
    print("Неверно,",r10)
    print("<br>")
#t=t+0.5
t=int(t/2)  
print("<h1>","Оценка:",t,"</h1>")
print(html2)

test7.txt

Тест.
1
2
4
2
3
1
1
2
3
4

Answer 1

what does the error log say?

Answer 2

Try writing at the beginning of the file:

# -*- coding: utf-8 -*-
from __future__ import unicode_literals

PS And refactor the code. It can be written in an order of magnitude more compact and clearer in Python.