Lehmät

lines = []
while True:
    try:
        line = input()
    except EOFError:
        break
    lines.append(line)

cowAmount = 0

found = False
index = 0
for line in lines:
    if "*" in line:
        found = True
        break
    index +=  1

endIndex = 0
for line in reversed(lines):
    if "*" in line:
        break
    endIndex += 1
endIndex = len(lines) - endIndex

if found == True:
    start = lines[index].find("*")
    end = lines[index].rfind("*")

    for sline in lines:
        if lines.index(sline) >= index and lines.index(sline) <= endIndex:
            for cow in sline[start:end+1]:
                if cow == "@":
                    cowAmount += 1

print(str(cowAmount), end="")

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: WRONG ANSWER

Test 5

Group: 1, 2

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: WRONG ANSWER

Test 7

Group: 2

Verdict: WRONG ANSWER

Test 8

Group: 2

Verdict: WRONG ANSWER

Test 9

Group: 2

Verdict: ACCEPTED