Osajono

#!/usr/bin/env python
# -*- coding: utf-8 -*-

from sys import stdin
from sys import stdout
import string

jono = stdin.readline()

osajonot = 0

alphabet = list(string.ascii_uppercase)


for char in alphabet:
    x = jono.count(char)
    
    x_mod_2 = x % 2
    x_parillinen = x - x_mod_2
    
    osajonot += (x_parillinen/2) * (x_parillinen+1) + x_mod_2 * x
    # osajonot += y
    # print(char + ': Y=' + str(y) + ', X=' + str(x))
    

stdout.write(osajonot)

Test 1

Subtask: 1

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 26, in <module>
    stdout.write(osajonot)
TypeError: must be str, not float

Test 2

Subtask: 1

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 26, in <module>
    stdout.write(osajonot)
TypeError: must be str, not float

Test 3

Subtask: 1

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 26, in <module>
    stdout.write(osajonot)
TypeError: must be str, not float

Test 4

Subtask: 1

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 26, in <module>
    stdout.write(osajonot)
TypeError: must be str, not float

Test 5

Subtask: 1

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 26, in <module>
    stdout.write(osajonot)
TypeError: must be str, not float

Test 6

Subtask: 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 26, in <module>
    stdout.write(osajonot)
TypeError: must be str, not float

Test 7

Subtask: 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 26, in <module>
    stdout.write(osajonot)
TypeError: must be str, not float

Test 8

Subtask: 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 26, in <module>
    stdout.write(osajonot)
TypeError: must be str, not float

Test 9

Subtask: 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 26, in <module>
    stdout.write(osajonot)
TypeError: must be str, not float

Test 10

Subtask: 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 26, in <module>
    stdout.write(osajonot)
TypeError: must be str, not float

Test 11

Subtask: 3

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 26, in <module>
    stdout.write(osajonot)
TypeError: must be str, not float

Test 12

Subtask: 3

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 26, in <module>
    stdout.write(osajonot)
TypeError: must be str, not float

Test 13

Subtask: 3

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 26, in <module>
    stdout.write(osajonot)
TypeError: must be str, not float

Test 14

Subtask: 3

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 26, in <module>
    stdout.write(osajonot)
TypeError: must be str, not float

Test 15

Subtask: 3

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 26, in <module>
    stdout.write(osajonot)
TypeError: must be str, not float