Ruudukko

import itertools
li2 = []
for x in range(int(input())):
        li2.append(input().split(" "))
for z in li2:
        count = 0
        for y in [int("".join(map(str,(i)))) for i in itertools.product([0, 1], repeat=len(z[1]))]:
                if int(z[0]) <= y and y <= int(z[1]):
                        count += 1
        print(count)

Test 1

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 4, in <module>
    li2.append(input().split(" "))
EOFError

Test 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 4, in <module>
    li2.append(input().split(" "))
EOFError

Test 3

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 4, in <module>
    li2.append(input().split(" "))
EOFError

Test 4

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 4, in <module>
    li2.append(input().split(" "))
EOFError

Test 5

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 4, in <module>
    li2.append(input().split(" "))
EOFError

Test 6

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 4, in <module>
    li2.append(input().split(" "))
EOFError