Sanalista

a = 0
n = 0

u = ''
o = ''

l = 0

inpt = input().split()
n = int(inpt[0])

for i in range(1,n+1):
    u = ''
    n = ''
    l = 0
    word = ''.join(sorted(inpt[i]))
    for j in range(len(word)):
        o = u
        u = word[j]
        if(l == 0):
            l = 1
        else:
            if(u == o):
                l = l+1
            elif(l%2 != 0):
                break
            else:
                a = a+1

print(inpt)
print(a)

Test 1

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 18, in <module>
    word =...

Test 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 18, in <module>
    word =...

Test 3

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 18, in <module>
    word =...