CodeEval - Details - Easy

import sys

test_cases = open(sys.argv[1], 'r')
for test in test_cases:
    rows=test.split(',')
    min=10
    for row in rows:
        counter=0
        for c in row:
            if c == 'Y':
                break
            if c == '.':
                counter += 1
        if counter < min:
            min = counter
            if min == 0 :
                break
        if min == 0 :
            break
    print min
test_cases.close()