1 alpha_table = "abcdefgh"

 2

 3 def safe_pawns(pawns):

 4     safe_count = 0

 5

 6     for spawn in pawns:

 7         if spawn[1] == '1':

 8             continue

 9

10         pos = alpha_table.find(spawn[0])

11         str_row = str(int(spawn[1]) - 1)

12

13         if pos == 0:

14             if (alpha_table[1] + str_row) in pawns:

15                 safe_count += 1

16             continue

17

18         if pos == 7:

19             if (alpha_table[6] + str_row) in pawns:

20                 safe_count += 1

21             continue

22

23         if (alpha_table[pos - 1] + str_row) in pawns or (alpha_table[pos + 1] + str_row) in pawns:

24             safe_count += 1

25

26     return safe_count