Buggy python submission (verdict: Time Limit Exceeded):

def solve():
  s = input()
  n  = len(s)
  mod = 10**9+7
  reverses = s[::-1]
  if reverses[0] != "?":
    tmp = int(reverses[0])
    query = [0 for i in range(13)]
    query[tmp] += 1
  else:
    query = [0 for i in range(13)]
    for i in range(10):
      query[i] += 1
      
  digit = 1
  tmp = [0 for i in range(13)]
  for i in range(1,n):
    digit *= 10
    digit %= 13
    tmp = [0 for i in range(13)]
    
    if reverses[i] =="?":
      for k in range(10):
        for j in range(13):
          tmp[(k*digit + j)%13] += query[j]
      
    else:
      for j in range(13):
        tmp[(digit*int(reverses[i])+j)%13] += query[j]

    for i in range(13):
      tmp[i] %= mod
    query = tmp 
      
  print(query[5])
if __name__ == '__main__':
  solve()

Fixed submission:
def solve():
  s = input()
  n  = len(s)
  mod = 10**9+7
  reverses = s[::-1]
  
  query = [0 for i in range(13)]
  if reverses[0] != "?":
    tmp = int(reverses[0])
    query = [0 for i in range(13)]
    query[tmp] += 1
  else:
    for i in range(10):
      query[i] += 1
  digit = 1
  
  for i in range(1,n):
    digit *= 10
    digit %= 13
    tmp = [0 for _ in range(13)]
    
    if reverses[i] =="?":
      for k in range(10):
        for j in range(13):
          num = k*digit
          num += j
          num %= 13
          tmp[num] += query[j]
      
    else:
      for j in range(13):
        num = digit*int(reverses[i])
        num += j
        num %= 13
        tmp[num] += query[j]

    for i in range(13):
      tmp[i] %= mod
    query = tmp 
      
  print(query[5])
solve()

Buggy python submission (verdict: Time Limit Exceeded):
def solve():
  s = input()
  n  = len(s)
  mod = 10**9+7
  reverses = s[::-1]
  
  query = [0 for i in range(13)]
  if reverses[0] != "?":
    tmp = int(reverses[0])
    query = [0 for i in range(13)]
    query[tmp] += 1
  else:
    for i in range(10):
      query[i] += 1
  digit = 1
  
  for i in range(1,n):
    digit *= 10
    digit %= 13
    tmp = [0 for _ in range(13)]
    
    if reverses[i] =="?":
      for k in range(10):
        for j in range(13):
          num = k*digit
          num += j
          num %= 13
          tmp[num] += query[j]
      
    else:
      for j in range(13):
        num = digit*int(reverses[i])
        num += j
        num %= 13
        tmp[num] += query[j]

    for i in range(13):
      tmp[i] %= mod
    query = tmp 
      
  print(query[5])
solve()

Fixed submission:
def solve():
  s = input()
  n  = len(s)
  mod = 10**9+7
  reverses = s[::-1]
  
  query = [0 for i in range(13)]
  if reverses[0] != "?":
    tmp = int(reverses[0])
    query = [0 for i in range(13)]
    query[tmp] += 1
  else:
    for i in range(10):
      query[i] += 1
  digit = 1
  
  for i in range(1,n):
    digit *= 10
    digit %= 13
    tmp = [0 for _ in range(13)]
    
    if reverses[i] =="?":
      for k in range(10):
        for j in range(13):
          num = k*digit
          num += j
          num %= 13
          tmp[num] += query[j]
      
    else:
      for j in range(13):
        num = digit*int(reverses[i])
        num += j
        num %= 13
        tmp[num] += query[j]

    for i in range(13):
      tmp[i] %= mod
    query = tmp 
      
  print(query[5])
solve()