Lehmät

#Find first * and then the last one in the same row,which specifies the pen, then find the no. of @ in the pen
numbers = list(map(int, input().split()))
i=0
counter = 0
while (i<numbers[0]):
    entry = input()
    initial = 0
    final = numbers[1]
    while (initial<final):
        if (entry[initial]=="@"):
            if ("*" in entry[0:initial] and "*" in entry[initial+1: final]):
                counter=counter+1
        initial=initial+1
    i=i+1

print(counter)

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