Lehmät

nums = input().split(" ")
strings = []
 
while int(nums[0]) > 0:
    tempInput = strings.append([*input()])   
    nums[0] = int(nums[0]) - 1
 
cows = 0;
 
for row in strings:
    walls = 0;
    for char in row:
        if char == "*":
            walls += 1
 
    if walls == 0:
        continue
    elif walls == 2:
        insideWalls = False;
        for char in row:
            if insideWalls:
                if char == "@":
                    cows += 1
                elif char == "*":
                    insideWalls = False
            else:
                if char == "*":
                    insideWalls = True
    else:
        continue
 
print(cows)
 

Test 1

Group: 1, 2

Verdict: ACCEPTED

Test 2

Group: 1, 2

Verdict: ACCEPTED

Test 3

Group: 1, 2

Verdict: ACCEPTED

Test 4

Group: 1, 2

Verdict: ACCEPTED

Test 5

Group: 1, 2

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: ACCEPTED

Test 7

Group: 2

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: ACCEPTED

Test 9

Group: 2

Verdict: ACCEPTED